Japan ASN Summary
The report below shows ASNs assigned to Japan, ranked by the total number of IP addresses currently active on each network. Click on the ASN for full IP address information, whois details and more. You can also view our hosting report to see the networks ranked by how many domain names they host.
| ASN | Name | Num IPs |
|---|---|---|
| AS17676 | Softbank BB Corp. | 43,748,352 |
| AS4713 | NTT Communications Corporation | 28,894,976 |
| AS2516 | KDDI CORPORATION | 18,295,040 |
| AS2907 | Research Organization of Information and Systems, National Institute of Informatics | 8,832,000 |
| AS17506 | ARTERIA Networks Corporation | 5,382,144 |
| AS9824 | JCOM Co., Ltd. | 4,745,216 |
| AS2527 | Sony Network Communications Inc. | 3,802,112 |
| AS2497 | Internet Initiative Japan Inc. | 3,747,328 |
| AS2518 | BIGLOBE Inc. | 3,670,016 |
| AS17511 | OPTAGE Inc. | 3,072,256 |
| AS2510 | FUJITSU LIMITED | 2,754,816 |
| AS9605 | NTT DOCOMO, INC. | 2,599,168 |
| AS2514 | NTT PC Communications, Inc. | 2,092,800 |
| AS4725 | SoftBank Corp. | 2,008,064 |
| AS10013 | FreeBit Co.,Ltd. | 1,822,464 |
| AS2519 | ARTERIA Networks Corporation | 1,780,480 |
| AS9595 | NTT-ME Corporation | 1,644,544 |
| AS10010 | TOKAI Communications Corporation | 1,502,464 |
| AS18126 | Chubu Telecommunications Company, Inc. | 1,263,360 |
| AS4685 | Asahi Net | 1,179,648 |
| AS9617 | JCOM Co., Ltd. | 1,163,264 |
| AS4694 | IDC Frontier Inc. | 1,028,096 |
| AS7679 | QTnet,Inc. | 696,320 |
| AS4721 | JCOM Co., Ltd. | 631,808 |
| AS7522 | STNet, Incorporated | 529,408 |
| AS7671 | NTT SmartConnect Corporation | 451,072 |
| AS138384 | Rakuten Mobile Network, Inc. | 420,864 |
| AS18081 | Kintetsu Cable Network Co., Ltd. | 417,792 |
| AS9365 | its communications Inc. | 404,480 |
| AS7684 | SAKURA Internet Inc. | 364,032 |
| AS9370 | SAKURA Internet Inc. | 338,688 |
| AS131932 | JR East Information Systems Company | 327,680 |
| AS9371 | SAKURA Internet Inc. | 305,920 |
| AS18144 | Energia Communications,Inc. | 291,840 |
| AS7524 | ITEC HANKYU HANSHIN CO.,LTD. | 279,040 |
| AS9597 | KDDI Web Communications Inc. | 276,736 |
| AS7506 | GMO Internet,Inc | 263,168 |
| AS4673 | NTT DATA CORPORATION | 258,048 |
| AS2522 | Japan Network Information Center | 229,120 |
| AS2506 | NTT WEST CHUGOKU CORPORATION | 214,272 |
| AS7687 | TOYOTA DIGITAL CRUISE.INCORPORATED | 208,896 |
| AS2501 | The University of Tokyo | 200,704 |
| AS23793 | National Institute of Advanced Industrial Science and Technology | 199,936 |
| AS2500 | WIDE Project | 196,864 |
| AS7514 | Computer Engineering & Consulting, Ltd. | 187,392 |
| AS9351 | ZTV CO.,LTD | 176,128 |
| AS17698 | COMMUNITY NETWORK CENTER INCORPORATED. | 174,080 |
| AS9354 | Community Network Center Inc. | 172,032 |
| AS9374 | EDION Corporation | 165,888 |
| AS17941 | Equinix Japan Enterprise K.K. | 163,584 |
| AS4686 | BEKKOAME INTERNET INC. | 150,272 |
| AS18077 | Yamaguchi Cable Vision Co.,Ltd | 143,872 |
| AS10006 | SECOM Trust Systems Co.,Ltd. | 138,496 |
| AS17529 | STARCAT CABLE NETWORK Co .,LTD. | 135,168 |
| AS9619 | Sony Global Solutions Inc. | 135,168 |
| AS9614 | Oita Cable Telecom Co,ltd. | 133,120 |
| AS7670 | Energia Communications, Inc. | 132,608 |
| AS2504 | Kyoto University | 132,096 |
| AS37917 | University of Tsukuba | 132,096 |
| AS7509 | Hokkaido University | 131,328 |
| AS17687 | National University Corporation Nagoya University | 131,328 |
| AS17516 | NTT COMWARE CORPORATION | 131,072 |
| AS4729 | Japan Atomic Energy Agency | 131,072 |
| AS38635 | Keio University | 131,072 |
| AS10021 | KVH Co.,Ltd | 121,600 |
| AS24572 | Yahoo Japan | 119,808 |
| AS7516 | Tohoku Intelligent Telecommunication Co., Inc. | 119,040 |
| AS3488 | Information Systems Department, Japan Aerospace Exploration Agency | 115,200 |
| AS38631 | LINE Corporation | 108,288 |
| AS2554 | IDC Frontier Inc. | 101,376 |
| AS59108 | KATCH NETWORK INC. | 96,256 |
| AS4678 | Canon IT Solutions Inc. | 94,208 |
| AS17707 | AS for DATAHOTEL, which is one of iDC in Japan, | 91,392 |
| AS17534 | NSK Co.,Ltd. | 91,136 |
| AS9993 | ITOCHU Techno-Solutions Corporation | 91,136 |
| AS24282 | KAGOYA JAPAN Inc. | 89,088 |
| AS18097 | D.C.N. Corporation | 85,504 |
| AS17514 | Otsuka Corp. | 83,968 |
| AS9600 | So-net Corporation | 82,944 |
| AS131921 | GMO GlobalSign Holdings K.K. | 80,128 |
| AS18260 | EHIME CATV CO.,LTD. | 79,872 |
| AS2505 | High Energy Accelerator Research Organization, KEK | 74,240 |
| AS7502 | Advanced Software Technology & Management Research Institute of KYOTO | 74,240 |
| AS23820 | Rakuten Group, Inc. | 73,728 |
| AS58647 | Kagawa University | 73,728 |
| AS23781 | Toyama University | 72,704 |
| AS9615 | TOYOHASHI CABLE NETWORK INC. | 71,680 |
| AS7511 | SYNAPSE Co.,Ltd. | 71,680 |
| AS17939 | miyazaki cabletelevision network Co.,LTD | 71,680 |
| AS9622 | Kurashiki Cable TV | 71,680 |
| AS17947 | SAKURA KCS Corporation. | 69,632 |
| AS10000 | Nagasaki Cable Media Inc. | 69,632 |
| AS18271 | Nissho Electronics Corporation | 69,632 |
| AS37918 | Nippon Telegraph and Telephone Corporation | 69,376 |
| AS55392 | INTERNET MULTIFEED CO. | 68,608 |
| AS7672 | Hokuden Information System Service Co.,Ltd. | 68,608 |
| AS2526 | Global Solution 2nd Office. IT Strategy & Digital Integration Division. Hitachi, Ltd. | 67,584 |
| AS4730 | Osaka University | 67,584 |
| AS55391 | INTERNET MULTIFEED CO. | 67,584 |
| AS17961 | mitene internet co., ltd. | 67,584 |
| AS18268 | Naganoken Kyodou Densan Co.Ltd. | 67,072 |
| AS23720 | Rakuten Mobile Network, Inc. | 67,072 |
| AS23816 | Yahoo Japan Corporation | 66,816 |
| AS24261 | Mie University | 66,304 |
| AS17932 | Japan Advanced Institute of Science and Technology | 65,792 |
| AS17944 | Japan Weather Association | 65,792 |
| AS23623 | Chuo University | 65,536 |
| AS18087 | Toyo University | 65,536 |
| AS10014 | Nihon University | 65,536 |
| AS9991 | Hiroshima Shudo University | 65,536 |
| AS9593 | Nikkei Inc. | 65,536 |
| AS9591 | National Institute for Fusion Science | 65,536 |
| AS9367 | Tokyo Institute of Technology | 65,536 |
| AS9366 | SOLITON-NET | 65,536 |
| AS131159 | Yamagata University | 65,536 |
| AS9355 | National Institute of Information and Communications Technology | 65,536 |
| AS131897 | National University Corporation ,Ehime University | 65,536 |
| AS131919 | Meiji University | 65,536 |
| AS131930 | Tokyo Broadcasting System Television, Inc. | 65,536 |
| AS131938 | NISSAN MOTOR CO.,LTD. | 65,536 |
| AS59104 | Soka University | 65,536 |
| AS58785 | Tohoku Gakuin University | 65,536 |
| AS58652 | Kochi University | 65,536 |
| AS131965 | Xserver Inc. | 65,536 |
| AS55904 | KOGAKUIN University | 65,536 |
| AS55390 | Tokyo University of Science | 65,536 |
| AS55380 | Kanazawa University | 65,536 |
| AS131981 | Takushoku University | 65,536 |
| AS55379 | Hosei University | 65,536 |
| AS45685 | Rikkyo Gakuin Rikkyo University | 65,536 |
| AS38654 | INES Corporation. | 65,536 |
| AS38641 | Osaka Sangyo University | 65,536 |
| AS37919 | SEGA SAMMY HOLDINGS INC. | 65,536 |
| AS37910 | Chubu University | 65,536 |
| AS2523 | JSPS 163rd Committee on Internet Technology | 65,536 |
| AS2513 | Japan Science and Technology Agency | 65,536 |
| AS2508 | Kyushu University | 65,536 |
| AS24275 | TOTO LTD. | 65,536 |
| AS24268 | National University Corporation Shizuoka University | 65,536 |
| AS24254 | Kyoto Sangyo University | 65,536 |
| AS24248 | Wakayama University | 65,536 |
| AS23807 | Ritsumeikan University | 65,536 |
| AS23779 | NTT Communications Corporation | 65,536 |
| AS17510 | INFORMATION SERVICES INTERNATIONAL - DENTSU, LTD. | 65,536 |
| AS17512 | Japan Airlines Co.,Ltd. | 65,536 |
| AS23615 | University of Shizuoka | 65,536 |
| AS17523 | Aoyama Gakuin University | 65,536 |
| AS18276 | Kansai University | 65,536 |
| AS17701 | Seinan Gakuin University | 65,536 |
| AS17946 | Gifu University | 65,536 |
| AS18128 | RIKEN | 65,536 |
| AS17956 | WASEDA University | 65,536 |
| AS17960 | University of the Ryukyus | 65,536 |
| AS18069 | SB Technology Corp. | 65,536 |
| AS18125 | Ministry of Agriculture, Forestry and Fisheries Research Network | 65,536 |
| AS18124 | Okayama University of Science | 65,536 |
| AS18148 | Fukuoka University | 65,024 |
| AS38628 | HIMEJI CABLE TELEVISION CORPORATION | 64,512 |
| AS17686 | ACCELIA | 63,488 |
| AS4677 | Marubeni OKI Network Solutions Inc. | 56,832 |
| AS138968 | rainbow network limited | 55,552 |
| AS131918 | SHONAN CABLE NETWORK | 55,296 |
| AS23637 | Equinix Japan Enterprise K.K. | 55,040 |
| AS23791 | LCV Corporation | 52,224 |
| AS37892 | Cable Media WAIWAI Co.,Ltd. | 52,224 |
| AS59127 | Newmedia Corporation | 51,200 |
| AS18278 | Cable TV Corporation | 51,200 |
| AS4680 | Mitsubishi Electric Information Network Corporation | 49,152 |
| AS55387 | Japan Communication Inc. | 49,152 |
| AS17675 | Internap Japan Co.,Ltd. | 48,128 |
| AS18282 | Tonami System Solutions Co., Ltd. | 47,104 |
| AS4723 | Dolphin | 46,080 |
| AS23785 | SUN FIELD INTERNET LIMITED | 45,056 |
| AS58791 | GMO Internet,Inc | 45,056 |
| AS4693 | CSK-IT MANAGEMENT CORPORATION | 45,056 |
| AS9378 | JCOM Co., Ltd. | 45,056 |
| AS24295 | Internap Japan Co.,Ltd. | 44,032 |
| AS18092 | Kyushu Tele Communications Company | 43,008 |
| AS18136 | JCOM Co., Ltd. | 43,008 |
| AS23783 | Cable Networks Akita Co.,ltd. | 42,752 |
| AS2511 | NTT | 41,728 |
| AS10003 | Ogaki Cable Television Co.,Inc. | 40,960 |
| AS18135 | BTV Cable Television CO.,LTD. | 38,912 |
| AS10019 | Matsusaka Cable-TV Station Inc. | 38,912 |
| AS17530 | Nihon Network Service Co, .Ltd. | 38,912 |
| AS7690 | Mirai Communication Network Inc. | 37,376 |
| AS131959 | YOU Communications Corporation | 37,376 |
| AS24276 | JCOM Co., Ltd. | 36,864 |
| AS10001 | Mics Network Corporation | 36,864 |
| AS9998 | ISAO Corporation | 36,864 |
| AS9621 | Okinawa Telecommunication Network Co.,Inc | 35,840 |
| AS55900 | GLBB Japan KK | 35,840 |
| AS38634 | DWANGO Co.,Ltd. | 35,840 |
| AS7682 | HOKKAIDO TELECOMMUNICATIONS NETWORK Co., Inc. | 35,840 |
| AS38462 | Osaki Computer Engineering Co.Ltd | 35,328 |
| AS17955 | Densan Co., Ltd. | 35,328 |
| AS59121 | Asahi Kasei Networks Corporation | 33,024 |
| AS58793 | FUJITSU CLOUD TECHNOLOGIES LIMITED | 33,024 |
| AS9357 | NRI SecureTechnologies, Ltd. | 32,768 |
| AS18150 | NetComBB Co.,Ltd. | 32,768 |
| AS7676 | TAM-Internet Service (T.A.M Co., Ltd.) | 32,256 |
| AS18068 | Dream Wave Shizuoka Co. Ltd. | 32,256 |
| AS4675 | UNIADEX, LTD. | 31,488 |
| AS131934 | ICC Corporation | 30,720 |
| AS23624 | Chukai Television Co,.Ltd. | 30,720 |
| AS17661 | NHN JAPAN Corp. | 30,208 |
| AS18134 | JCOM Co., Ltd. | 29,696 |
| AS7668 | Hokuriku Telecommunication Network Co. | 29,696 |
| AS9607 | BroadBand Tower, Inc. | 29,184 |
| AS59125 | FAMILY NET JAPAN INCORPORATED | 27,648 |
| AS59092 | kronos.Co.,Ltd. | 27,648 |
| AS23629 | Obihiro City Cable Co.,Ltd. | 27,136 |
| AS131916 | Tokyo Bay Network Co.,Ltd. | 26,624 |
| AS9601 | Niigata Communication Service | 26,624 |
| AS24296 | Yahoo Japan Corporation | 26,624 |
| AS131927 | TV Matsumoto Cablevision | 26,624 |
| AS55394 | GREE, Inc. | 26,624 |
| AS24249 | JWAY co., Ltd. | 26,624 |
| AS131958 | Tama Cable Network Co.,Ltd. | 26,112 |
| AS132827 | GATEWAY INC | 25,856 |
| AS2512 | TCP Inc. | 25,600 |
| AS24255 | Tannan Cable Television Corporation | 25,600 |
| AS17504 | NRI Netcom, Ltd. | 25,600 |
| AS10004 | JIN Office Service Inc. | 25,344 |
| AS23661 | CLARA ONLINE, Inc. | 24,832 |
| AS17950 | SaiNet | 24,576 |
| AS10002 | IGAUENO CABLE TELEVISION CO.,LTD | 24,576 |
| AS56291 | Ace, Inc. | 24,576 |
| AS23788 | JCOM Co., Ltd. | 24,576 |
| AS17682 | 296 BROAD NET Com Inc | 23,552 |
| AS131925 | FAMILY NET JAPAN INCORPORATED | 23,296 |
| AS18121 | Ishikawa Computer Center Co.,LTD. | 23,040 |
| AS131937 | Joetsu Cable Vision | 23,040 |
| AS18274 | Utsunomiya Cable TV Corporation | 22,528 |
| AS131915 | Hamamatsu Cable Television .Inc | 22,528 |
| AS23786 | San-in Cable Vision CO.,LTD | 22,528 |
| AS18283 | Fureai Channel Inc. | 21,504 |
| AS7505 | Fujitsu Systems Applications & Support Limited | 21,504 |
| AS17958 | Kasaoka Cable Vision Co,LTD. | 21,504 |
| AS17691 | NDS Co., Ltd. | 21,504 |
| AS23777 | NTT BUSINESS SOLUTIONS CORPORATION | 20,992 |
| AS18281 | Tokoname New-TV Corporation | 20,480 |
| AS23831 | NISIOWARI CATV CORPORATION | 20,480 |
| AS18267 | Doshisha University | 20,480 |
| AS23778 | IMIZU CABLE NETWORK CO.,LTD. | 20,480 |
| AS10012 | Rakuten Mobile, Inc. | 20,480 |
| AS17931 | Netforest,Inc. | 20,480 |
| AS146977 | Niikawa Portal Co.,LTD | 20,480 |
| AS24278 | USEN CORPORATION | 20,480 |
| AS45675 | JCOM Co., Ltd. | 20,480 |
| AS4695 | Energia Communications, Inc. | 20,480 |
| AS9999 | AT TOKYO Corporation | 20,224 |
| AS18129 | OKAYAMA NETWORK INC. | 19,968 |
| AS17957 | SOUTH TOKYO CABLETELEVISION | 19,456 |
| AS59109 | Hitachi,Ltd., Managed Services Business Division | 19,456 |
| AS4785 | xTom | 18,944 |
| AS10011 | advanscope inc. | 18,432 |
| AS23790 | JCOM Co., Ltd. | 18,432 |
| AS23627 | UEDA CABLE VISION CO.,LTD. | 18,432 |
| AS24277 | Okinawa Cable Network Inc. | 18,432 |
| AS9997 | Suzuka Cable Co.,Ltd | 18,432 |
| AS23784 | SQUARE ENIX CO., LTD. | 18,432 |
| AS23805 | Watarase Television Co.,Ltd | 18,432 |
| AS7529 | NetIRD Inc. | 17,664 |
| AS18094 | Tokyo Cable Network.,INC | 17,408 |
| AS63770 | Industrial Cyber Security Center of Excellence | 17,408 |
| AS24259 | kanuma cable television Corporation | 17,408 |
| AS4711 | INTEC Inc. | 17,408 |
| AS18071 | Panasonic Corporation Corporate Information Systems Company | 16,640 |
| AS7503 | Air Internet Service Co.,Ltd. | 16,384 |
| AS23780 | CTB Media Inc. | 16,384 |
| AS23635 | CRCCMedia Co.,ltd | 16,384 |
| AS55910 | Shibaura Institute of Technology | 16,384 |
| AS55384 | Japan Advanced Institute of Science and Technology | 16,384 |
| AS24271 | Iruma CATV co. | 16,384 |
| AS18085 | Fujitsu Systems Applications & Support Limited | 16,384 |
| AS17683 | Wingtechnology Communications, Inc. | 16,384 |
| AS9618 | catv-tokushima | 16,384 |
| AS23620 | DMM.com LLC | 15,360 |
| AS24251 | Iwakuni Cable Network Corporation | 15,360 |
| AS9466 | UUNET Japan Limited | 14,848 |
| AS9604 | FUJI SOFT INCORPORATED | 14,336 |
| AS131923 | Mihara Cable Television Ltd. | 14,336 |
| AS23808 | TOSHIMA CABLE NETWORK CO.,LTD | 14,336 |
| AS17936 | Cable Television Kani Co.,Inc. | 14,336 |
| AS131899 | DIG Inc. | 13,824 |
| AS131952 | Asahikawa Cable Television Co., Ltd. | 13,824 |
| AS63997 | Tsukaeru.net, Web Hosting Company, Japan | 13,824 |
| AS7677 | Dai Nippon Printing Co., Ltd | 13,568 |
| AS18070 | Global Network Core Co.,Ltd. | 13,312 |
| AS131931 | Aomori Cable TV Co., Ltd. | 12,800 |
| AS58650 | Warabi Cable Vision Co., Ltd. | 12,800 |
| AS55381 | CITY-CABLE SHUNAN Corporation | 12,800 |
| AS38639 | NTT Communications Corporation | 12,544 |
| AS55388 | ASJ INC. | 12,288 |
| AS23630 | CAC Inc. | 12,288 |
| AS23628 | Academic newtown Community Cable Service | 12,288 |
| AS23817 | Fujitsu Limited. | 12,288 |
| AS18266 | Datacore Works Co.,Ltd. | 12,288 |
| AS18075 | Chupicom Hiroshima Corp. | 12,288 |
| AS18142 | KISTEM Co., Ltd. | 12,288 |
| AS24279 | SENDAI CATV CO.,LTD. | 11,264 |
| AS55385 | Digital Alliance Co.,Ltd. | 10,240 |
| AS131926 | Cable Television Saiki Co. , Ltd. | 10,240 |
| AS24289 | Kagawa T.V Broadcast Network Co,.Ltd | 10,240 |
| AS59107 | Hachinohe Cable Television Co. | 10,240 |
| AS131933 | TAMA Television Co., Ltd | 10,240 |
| AS17689 | Hokuden Information Technology,Inc. | 9,728 |
| AS131911 | HONJYO CABLE VISION CO., LTD. | 9,216 |
| AS45677 | Isahaya Cable Media Co.,Ltd | 9,216 |
| AS23775 | Tamashima TV Inc. | 9,216 |
| AS7664 | HARENET INC. | 9,216 |
| AS37922 | Diversitymedia Co.,Ltd. | 9,216 |
| AS55899 | LEON TECHNOLOGY, Inc. | 8,704 |
| AS17678 | Gunma Internet Co,.ltd | 8,704 |
| AS132726 | 5-3 Miyuki-cho | 8,704 |
| AS173 | Electrical Communications Laboratories | 8,704 |
| AS37908 | KIBI Cable Television Co.,Ltd. | 8,704 |
| AS45687 | Minamikyusyu CableTV Net Inc. | 8,704 |
| AS18258 | Morgan Stanley Japan Limited | 8,448 |
| AS17977 | SINGTEL-JP | 8,192 |
| AS24336 | DIGITALBANK, Inc., Regional ISP in Japan | 8,192 |
| AS7665 | Okayama Prefectural Government | 8,192 |
| AS9358 | OPTAGE Inc. | 8,192 |
| AS7663 | FUJIMIC INC. | 8,192 |
| AS17940 | CYBER LINKS Co.,Ltd. | 8,192 |
| AS7686 | JCOM Co., Ltd. | 8,192 |
| AS4672 | Kyndryl Japan KK | 8,192 |
| AS17518 | Shiojiri City | 8,192 |
| AS23618 | Ibara Broadcasting Company | 8,192 |
| AS59102 | GENES Co., Ltd. | 8,192 |
| AS7678 | Prox System Design Inc. | 8,192 |
| AS23619 | SMARTVALUE Co.,Ltd. | 8,192 |
| AS59096 | Meiji Gakuin University | 8,192 |
| AS23822 | HAGI Television Co., Ltd. | 8,192 |
| AS23804 | Nonprofit Organization Kitaura Hana Net | 8,192 |
| AS59091 | Kanagawa Institute of Technology | 8,192 |
| AS17694 | Deutsche Bank Group, Japan BGP connection | 8,192 |
| AS18211 | Nomura India Services Pvt Ltd | 7,936 |
| AS131960 | MBO holdings Inc. | 7,680 |
| AS23827 | Azumino Network Community TV | 7,680 |
| AS17693 | YAMATO SYSTEM DEVELOPMENT CO., LTD. | 7,168 |
| AS17948 | EditNet, Incorporated | 7,168 |
| AS24284 | CyberAgent, Inc. | 6,912 |
| AS23829 | NTT NEOMEIT YAMAGUCHI CORPORATION | 6,912 |
| AS55376 | KCV communications CO.,LTD. | 6,656 |
| AS131970 | Hikarinet Inc. | 6,656 |
| AS17505 | SoftBank Corp. | 6,656 |
| AS10015 | Cyber Wave Japan Co., Ltd. | 6,400 |
| AS63772 | extride inc. | 6,400 |
| AS24121 | Equinix Asia Pacific | 6,400 |
| AS23631 | Sofu System, Inc | 6,144 |
| AS23639 | NTT Bizlink, Inc. | 6,144 |
| AS23641 | NS Computer Service Corporation | 6,144 |
| AS17680 | SCSK Corporation | 6,144 |
| AS17509 | STARNET Co.,Ltd. | 6,144 |
| AS23613 | New Media Tokushima Co.,ltd. | 6,144 |
| AS9353 | MEDIAWARS co.,ltd. | 6,144 |
| AS23776 | NEC Corporation | 6,144 |
| AS58788 | Chiroro-Net Co.,Ltd. | 6,144 |
| AS59126 | NCT CO.,LTD. | 6,144 |
| AS59094 | esu2 Corporation | 6,144 |
| AS24290 | Heart Network Co.,LTD | 6,144 |
| AS131949 | General Incorporated Foundation Aso Telework Center | 6,144 |
| AS18264 | Seikei Eizo Network Inc. | 6,144 |
| AS18088 | Kyuden Infocom Company Inc | 6,144 |
| AS38638 | Ip Core Corporation | 5,888 |
| AS137445 | PF LINK SYSTEMS | 5,632 |
| AS17937 | NIKKEI ADVANCED SYSTEMS INC. | 5,376 |
| AS37916 | A.T.WORKS, Inc. | 5,120 |
| AS38651 | Mixi,Inc. | 5,120 |
| AS23614 | Kochi Systems Co., Ltd. | 5,120 |
| AS131954 | Kawaguchiko cable television Inc | 5,120 |
| AS37907 | DigiRock, Inc. | 5,120 |
| AS24270 | CRC Solutions Corp., | 5,120 |
| AS131893 | RICOH Company, Ltd. | 5,120 |
| AS135401 | SAP | 4,608 |
| AS23632 | TVT Tsuyama Co.,Ltd. | 4,608 |
| AS146969 | SB Technology Corp. | 4,608 |
| AS59118 | NRI SecureTechnologies, Ltd. | 4,608 |
| AS7521 | INTERNET MULTIFEED CO. | 4,608 |
| AS37897 | AXEL NETWORKS, INC. | 4,608 |
| AS18259 | NTT Communications Corporation | 4,608 |
| AS37914 | Advanced Software Technology and Management Research Institute of KYOTO | 4,352 |
| AS23818 | JETINTERNET Corporation | 4,352 |
| AS55912 | University of Kochi | 4,352 |
| AS18263 | MEITETSUCOM Co., Ltd. | 4,096 |
| AS24567 | QT Inc. | 4,096 |
| AS18140 | Yahoo Japan Corporation | 4,096 |
| AS24264 | Kanazawa Institute of Technology | 4,096 |
| AS18141 | HBA | 4,096 |
| AS24477 | NetApp, Inc. | 4,096 |
| AS18074 | FRT Inc. | 4,096 |
| AS55897 | SAKURA Internet Inc. | 4,096 |
| AS18143 | Mitsubishi Research Institute DCS Co.,Ltd. | 4,096 |
| AS17934 | National Institute of Information and Communications Technology | 4,096 |
| AS38652 | Ginzado Co.,Ltd. | 4,096 |
| AS17699 | ARTERIA Networks Corporation | 4,096 |
| AS17685 | SQUARE ENIX CO., LTD. | 4,096 |
| AS131914 | Rakuten Group, Inc. | 4,096 |
| AS18289 | AT&T JAPAN KK | 4,096 |
| AS18290 | Mimedia Corporation | 4,096 |
| AS18383 | CAHI Corporation, | 4,096 |
| AS45690 | Tokushima Central TV Co.,Inc. | 4,096 |
| AS132119 | BNP Paribas | 4,096 |
| AS37898 | digitiminimi, inc. | 4,096 |
| AS132095 | HEWLETT PACKARD-SHINSUNA COLO | 4,096 |
| AS63782 | Omaezaki Cable Television Co.Ltd | 4,096 |
| AS23773 | EKZM co.,ltd. | 4,096 |
| AS10016 | Minaminihon Information Processing Center Co Ltd | 4,096 |
| AS9990 | Nippon Information and Communication Corporation | 4,096 |
| AS131943 | Goto tv | 4,096 |
| AS17953 | BroadBand Security, Inc. | 4,096 |
| AS23794 | Broadmedia Corporation | 4,096 |
| AS23795 | Fitec Corp. | 4,096 |
| AS23798 | VR Techno Center,inc | 4,096 |
| AS23824 | Future Spirits Co.,Ltd. | 4,096 |
| AS38633 | Value Core Inc. | 4,096 |
| AS23836 | RELATION Co., Ltd. | 4,096 |
| AS23967 | Produce On Demand Inc. Streaming Contents Delivery Service Tokyo | 4,096 |
| AS134351 | Leaseweb Japan K.K. | 4,096 |
| AS136796 | CORELINK JAPAN | 3,840 |
| AS45688 | The University of Tokyo Interfaculty Initiative in Information Studies | 3,584 |
| AS59116 | AIG Technologies KK | 3,584 |
| AS18127 | Ibaraki Prefectural Government | 3,584 |
| AS58653 | UD Trucks Corporation, Volvo Information Technology Japan | 3,328 |
| AS59103 | SoftEther Corporation | 3,328 |
| AS4697 | Network Technology Laboratories, NIPPON TELEGRAPH AND TELEPHONE CORPORATION | 3,328 |
| AS23828 | Misaki Town | 3,072 |
| AS59093 | IMABARI CATV CORPORATION | 3,072 |
| AS23616 | Hitachi Systems, Ltd. | 3,072 |
| AS2515 | Japan Network Information Center | 3,072 |
| AS139468 | DC Communications Inc. | 3,072 |
| AS131928 | Tottori Teletopia Co., Ltd. | 3,072 |
| AS17673 | MITSUI KNOWLEDGE INDUSTRY CO., LTD. | 2,816 |
| AS45680 | DOVA Corporation | 2,560 |
| AS37891 | JR TOKAI Information Systems Company | 2,560 |
| AS131955 | Kyoutou Cable Net Co Ltd | 2,560 |
| AS131950 | EnjoyVC Japan Corporation | 2,560 |
| AS55898 | Yahoo Japan Corporation | 2,560 |
| AS37915 | Wakayama Prefectural Government | 2,560 |
| AS38627 | Baidu, Inc. | 2,560 |
| AS131936 | UNIVERSAL MUSIC LLC | 2,304 |
| AS38715 | Regional-IX ASN Tottori pref Japan. | 2,304 |
| AS24229 | IX-layers, Inc. | 2,304 |
| AS59123 | Kakaku.com, Inc. | 2,304 |
| AS38642 | Yoshizou XYZ Solutions | 2,048 |
| AS7527 | Japan Internet Exchange Co., Ltd. | 2,048 |
| AS63783 | Chiba University of Commerce | 2,048 |
| AS24250 | Miyagin Digital Solutions Co.,Ltd. | 2,048 |
| AS7530 | BroadBand Tower, Inc. | 2,048 |
| AS24253 | J-Stream Inc. | 2,048 |
| AS23633 | Niigata Communication Service | 2,048 |
| AS63775 | YAKAGE CABLE TELEVISION | 2,048 |
| AS131909 | OCC Co., Ltd. | 2,048 |
| AS63774 | Kamoike.net LLP | 2,048 |
| AS131907 | Iwami Cablevision Co.,Ltd. | 2,048 |
| AS63771 | Border Gateway Protocol Network Analysis Project | 2,048 |
| AS18090 | IMS Corporation | 2,048 |
| AS131963 | MC Digital Realty, Inc. | 2,048 |
| AS24288 | Accutechs Co., Ltd. | 2,048 |
| AS131987 | MC Digital Realty, Inc. | 2,048 |
| AS131986 | ITOCHU Cable Systems Corp. | 2,048 |
| AS59129 | LogicLinks, Inc. | 2,048 |
| AS146976 | Kvision Co.,Ltd. | 2,048 |
| AS24286 | Weathernews,Inc. | 2,048 |
| AS131896 | SSI Lab Inc. | 2,048 |
| AS59122 | Ranger-Systems Co., Ltd. | 2,048 |
| AS55902 | TS-NET of TOSET, Inc. in Japan | 2,048 |
| AS55383 | YYY Group, Inc. | 2,048 |
| AS59105 | Home NOC Operators Group | 2,048 |
| AS24262 | HAMANASU INFORMATION Co., Ltd. | 2,048 |
| AS37912 | IPRIO Corporation. | 2,048 |
| AS59095 | ACCELIA | 2,048 |
| AS24512 | HAL Internet, Internet Service Provider, Tottori, Japan | 2,048 |
| AS58784 | Rissho University | 2,048 |
| AS131929 | Yamanashi CATV Co,. ltd | 2,048 |
| AS133203 | SBI BITS Co., Ltd. | 2,048 |
| AS7513 | Hitachi Systems, Ltd. | 2,048 |
| AS131941 | Entsu Co.,Ltd. | 2,048 |
| AS18272 | Benesse InfoShell Co.,Ltd | 2,048 |
| AS45846 | Shiga area POP AS Number | 2,048 |
| AS18076 | Institute of Advanced Media Arts and Sciences | 2,048 |
| AS38643 | UNIADEX, LTD. | 1,792 |
| AS37889 | J-PARC Center | 1,792 |
| AS131910 | SORACOM. INC. | 1,792 |
| AS23885 | Oracle Corporation | 1,792 |
| AS141757 | Zoho Japan Corporation | 1,536 |
| AS131966 | I-NET CORP. | 1,536 |
| AS18139 | Hitachi Solutions, Ltd. | 1,536 |
| AS24280 | Hitachi Systems, Ltd. | 1,536 |
| AS37900 | NTT Communications Corporation | 1,536 |
| AS131982 | Uenohara Broadband Communications Inc. | 1,536 |
| AS131957 | MicroAd, Inc. | 1,536 |
| AS139076 | EnjoyVC Japan Corporation | 1,536 |
| AS18123 | INAOKI EDUCATIONAL INSTITUTION | 1,536 |
| AS55569 | Criteo APAC | 1,536 |
| AS131912 | Cybozu,Inc. | 1,280 |
| AS7674 | NTT Communications Corporation | 1,280 |
| AS63773 | dual&Co. Inc. | 1,280 |
| AS7667 | KDDI R&D Laboratories, INC. | 1,280 |
| AS38629 | NTT Communications Corporation | 1,280 |
| AS131904 | Cyber Feel Inc. | 1,280 |
| AS131917 | Toshiba I.S. corp | 1,280 |
| AS58648 | AT-I, Inc. | 1,280 |
| AS131961 | Dokkyo University | 1,024 |
| AS45676 | SBI Security Solutions Co., Ltd. | 1,024 |
| AS133476 | First Innovation K.K. | 1,024 |
| AS38648 | F-REGI Co.,Ltd. | 1,024 |
| AS131905 | Japan Registry Services Co., Ltd. | 1,024 |
| AS18149 | Japan Registry Service Co., Ltd. | 1,024 |
| AS7660 | Asia Pacific Advanced Network - Japan | 1,024 |
| AS131920 | WirelessGate, Inc. | 1,024 |
| AS131939 | IPS INC | 1,024 |
| AS63789 | NeXtWEB Corporation | 1,024 |
| AS18091 | Teikyo University | 1,024 |
| AS131942 | Gurunavi, Inc. | 1,024 |
| AS131945 | Sanntuu Corporation | 1,024 |
| AS23799 | National Defense Academy | 1,024 |
| AS59110 | BPS Inc. | 1,024 |
| AS59099 | BroadBand Tower, Inc. | 1,024 |
| AS59097 | Okinawa Cross Head Co., Ltd. | 1,024 |
| AS23826 | Daido University | 1,024 |
| AS141746 | Orenji Server | 1,024 |
| AS58789 | DUNAMIS Co.,Ltd | 1,024 |
| AS58654 | BLESS Co.,Ltd. | 1,024 |
| AS131160 | Wire and Wireless Co.,Ltd. | 1,024 |
| AS131901 | FIDESSA KK | 1,024 |
| AS58645 | Miyagi Cable TV Co.,Ltd | 1,024 |
| AS24263 | HONDA MOTOR Co., Ltd. | 1,024 |
| AS55907 | GMO Internet,Inc | 1,024 |
| AS55901 | Sony Computer Entertainment Inc | 1,024 |
| AS131969 | Suzuyo Shinwart Corporation | 1,024 |
| AS18072 | NTT Communications, Corp. | 1,024 |
| AS55894 | Who's Next | 1,024 |
| AS55891 | WATCH TOWER BIBLE AND TRACT SOCIETY | 1,024 |
| AS55873 | St. Jude Medical | 1,024 |
| AS138033 | BBIX, Inc | 1,024 |
| AS137912 | Global Broadband K.K | 1,024 |
| AS55382 | Nagato city office | 1,024 |
| AS55378 | QUICK Corp. | 1,024 |
| AS54415 | WIZ K.K. | 1,024 |
| AS51044 | Kazuki Yamaguchi | 1,024 |
| AS4774 | A-Bone by Internet Initiative Japan Inc. | 1,024 |
| AS4718 | Cyber Kansai Project | 1,024 |
| AS136178 | FIL Japan Holdings K.K. | 1,024 |
| AS131944 | KADOKAWA DWANGO CORPORATION | 768 |
| AS38074 | SDCC Japan-West Area | 768 |
| AS37893 | TradeWeb Europe Limited | 768 |
| AS24283 | MIEDEN SYSTEM SOLUTION .LTD | 768 |
| AS24291 | MITSUI & CO., LTD. | 768 |
| AS149428 | Code200, UAB | 768 |
| AS139345 | Hyve Managed Hosting Corp Inc | 768 |
| AS7500 | WIDE Project | 768 |
| AS137819 | Beeks Financial Cloud (Japan) | 768 |
| AS55905 | TOP CLOUD Inc. | 768 |
| AS136769 | WingTecJapan G.K | 768 |
| AS24257 | Japan Internet Exchange Co., Ltd. | 768 |
| AS38033 | internet content provider | 768 |
| AS37888 | HORIBA, Ltd. | 768 |
| AS63776 | Mercari, Inc. | 768 |
| AS146974 | Woven Planet Holdings, Inc. | 512 |
| AS146979 | University of Nagasaki | 512 |
| AS38215 | Syuhei Uda | 512 |
| AS136779 | Schneider Electric Japan Ltd | 512 |
| AS136586 | InComm Japan K.K. | 512 |
| AS4777 | Asia Pacific Network Information Centre | 512 |
| AS133782 | Elsevier Ltd | 512 |
| AS146981 | Nekojarashi Inc. | 512 |
| AS62184 | Michal Nowak | 512 |
| AS136506 | LEON CO.LTD | 512 |
| AS131988 | Takehara Cable Network Co,Ltd | 512 |
| AS63779 | JUSTPLAYER Co.,Ltd. | 512 |
| AS63781 | Kobayashi Family Net LLP | 512 |
| AS63784 | Digital Agency | 512 |
| AS63785 | Fukuoka University | 512 |
| AS63790 | CyberAgent, Inc. | 512 |
| AS63791 | doornoc | 512 |
| AS132504 | QUALITIA Co.,Ltd | 512 |
| AS63793 | Japan OPS Better Co., Ltd. | 512 |
| AS63794 | ILKS Inc. | 512 |
| AS63917 | 7-1, Udagawacho, | 512 |
| AS139255 | U-NEXT Co.,Ltd. | 512 |
| AS18131 | NTT Communications Corporation, Digital Transformation | 512 |
| AS24260 | Board of trusty: Kinjo-Gakuen | 512 |
| AS55890 | Suntory Business Systems Ltd. | 512 |
| AS131953 | NPO Yutopianet | 512 |
| AS131158 | Nara Institute of Science and Technology, National University Corporation | 512 |
| AS210542 | NPO G-net | 512 |
| AS55396 | NRI SecureTechnologies, Ltd | 512 |
| AS55393 | Midokura Japan K.K. | 512 |
| AS131977 | Japan Photo Finish Corporation | 512 |
| AS131946 | MUSASHINO UNIVERSITY E.F. | 512 |
| AS142616 | Misaka Network, Inc. | 512 |
| AS45139 | Microsoft Corp | 512 |
| AS131940 | Nissho Electronics Corp. | 512 |
| AS133900 | Gilead Sciences, Inc. | 512 |
| AS131980 | KADOKAWA CORPORATION | 512 |
| AS137462 | Rakuten Mobile Network, Inc. | 512 |
| AS59120 | Tsukuba Internet Service Corporation | 512 |
| AS10209 | Japan HUB and Data Center | 512 |
| AS38636 | DeNA, Co. Ltd. | 512 |
| AS131983 | suo cablenet corporation | 512 |
| AS131948 | FORNEXT Inc. | 256 |
| AS23634 | WIDE Project | 256 |
| AS23642 | OBIS | 256 |
| AS23761 | Xpedite Systems | 256 |
| AS23774 | Japan Registry Service Co., Ltd. | 256 |
| AS146982 | Shinnyo-en | 256 |
| AS146980 | Tokyo Metropolitan College of Industrial Technology Infomation System Engineering Course | 256 |
| AS146972 | TOYO Engineering Corporation | 256 |
| AS142052 | Mempool Space K.K. | 256 |
| AS23833 | Marusan Securities Co., LTD. | 256 |
| AS24252 | Japan Registry Service Co., Ltd. | 256 |
| AS140501 | Itiviti Japan K.K. | 256 |
| AS140244 | Brian Blevins | 256 |
| AS24287 | National Institute of Informatics | 256 |
| AS138652 | Super Godzilla Communications GK | 256 |
| AS138181 | Hu's Tech LLC | 256 |
| AS137008 | 1120 Shimokuzawa Chuo-ku Sagamihara-shi Kanagawa-ken | 256 |
| AS37905 | Brastel Co.,Ltd | 256 |
| AS37906 | NetIRD Inc. | 256 |
| AS135304 | VMWare Incorporation | 256 |
| AS134827 | EY Business Initiative Co., Ltd | 256 |
| AS38237 | Root Networks, LLC | 256 |
| AS38644 | INTERNET MULTIFEED CO. | 256 |
| AS38658 | LIQUIDNET ASIA LIMITED | 256 |
| AS45217 | Tora Trading Services Ltd. | 256 |
| AS45678 | ABN AMRO Clearing Tokyo Co., Ltd. | 256 |
| AS45679 | Tatsumi, Tomo | 256 |
| AS132451 | 2142-1;KUKIOKA;MAEDA; | 256 |
| AS4690 | WIDE Project | 256 |
| AS131990 | Fukuoka SoftBank Hawks | 256 |
| AS131989 | PFU LIMITED | 256 |
| AS131984 | JOCDN Inc. | 256 |
| AS55373 | Foundation for Biomedical Research and Innovation | 256 |
| AS55377 | Sadiatec Co., Ltd | 256 |
| AS131976 | INTERNET MULTIFEED CO. | 256 |
| AS131973 | J-Stream Inc. | 256 |
| AS131972 | J-Stream Inc. | 256 |
| AS55895 | N.S.Computer Service Co.,Ltd. | 256 |
| AS55909 | National Institute of Technology, Kochi College | 256 |
| AS55949 | Technopro Holdings | 256 |
| AS131964 | FAMILYNET JAPAN CORPORATION | 256 |
| AS58525 | Yahoo! Tokyo office | 256 |
| AS58649 | GMO Internet,Inc | 256 |
| AS58651 | GMO Internet,Inc | 256 |
| AS58786 | GMO Internet,Inc | 256 |
| AS131951 | Suzuyo Shinwart Corporation | 256 |
| AS59111 | Akita International University | 256 |
| AS59113 | RICOH JAPAN Corporation | 256 |
| AS59115 | CYBERDYNE Inc. | 256 |
| AS59124 | KYOTO Prefectural Government | 256 |
| AS59128 | Kyoto University Microcomputer Club | 256 |
| AS63780 | dual&Co. Inc. | 256 |
| AS63786 | Mercari, Inc. | 256 |
| AS63787 | TSURUHANE JAPAN LTD. | 256 |
| AS131924 | Kansai Airports | 256 |
| AS7603 | Gene Computing Ltd | 256 |
| AS131906 | Gap Japan K.K. | 256 |
| AS131903 | Nomura Research Institute,Ltd. | 256 |
| AS131898 | Yahoo Japan Corporation | 256 |
| AS131895 | Okinawa Institute of science and technology | 256 |
| AS131894 | UNIADEX, LTD. | 256 |
| AS131079 | INTERNET MULTIFEED CO. | 256 |
| AS131078 | KDDI R&D Laboratories, INC. | 256 |
| AS9935 | AGNS Customer AS | 256 |
| AS132888 | Freak | 0 |
| AS37904 | SoftBank Corp. | 0 |
| AS45689 | Convivial Net | 0 |
| AS37903 | Ymobile Corporation | 0 |
| AS45691 | Elliott Advisors Asia Limited | 0 |
| AS37902 | Nomura Research Institute, Ltd. | 0 |
| AS132592 | Star Co,.Ltd. | 0 |
| AS37901 | NIPPON TELEGRAPH AND TELEPHONE EAST CORPORATION | 0 |
| AS132496 | SBI BITS Co., Ltd. | 0 |
| AS131154 | NANO OPT Media, Inc. | 0 |
| AS132373 | ASIAN-WEB-JP | 0 |
| AS132211 | FX Corporate LLC | 0 |
| AS4682 | SoftBank Corp. | 0 |
| AS4683 | Phase One, Inc. | 0 |
| AS4684 | NTT PC Communications, Inc. | 0 |
| AS132120 | Internet Systems Consortium | 0 |
| AS37899 | NIPPON TELEGRAPH AND TELEPHONE WEST CORPORATION | 0 |
| AS4688 | Internet Initiative Japan Inc. | 0 |
| AS131153 | KVH Co., Ltd. | 0 |
| AS4691 | Dream Train Internet Inc. | 0 |
| AS4692 | InternetWare Co., LTD. | 0 |
| AS37895 | Ryukoku University | 0 |
| AS132024 | Rebyc Inc. | 0 |
| AS131992 | histandard.co.ltd | 0 |
| AS136407 | Virtustream Cloud Services Australia Pty Limited | 0 |
| AS4698 | InterLink Co., Ltd. | 0 |
| AS4700 | Niji-Net Inc. | 0 |
| AS4704 | Rakuten Mobile, Inc. | 0 |
| AS4708 | Nippon Internet Access Inc. | 0 |
| AS4709 | NetLaputa Corporation | 0 |
| AS4710 | Network Technology Laboratories, NIPPON TELEGRAPH AND TELEPHONE CORPORATION | 0 |
| AS131991 | JAPAN MAYDAY SERVICE CO., LTD. | 0 |
| AS4712 | JAPAN TOBACCO INC. | 0 |
| AS9376 | SMARTVALUE Co.,Ltd. | 0 |
| AS4716 | KDDI CORPORATION | 0 |
| AS4717 | WIDE Project | 0 |
| AS3775 | Global Network Solutions, IBM Japan, Ltd. | 0 |
| AS4719 | J-Stream Inc. | 0 |
| AS131152 | BBIX,Inc. | 0 |
| AS4722 | SoftBank Corp. | 0 |
| AS3510 | Real World Computing Partnership | 0 |
| AS3391 | ASCIInet Corporation | 0 |
| AS4727 | KYODO PRINTING BUSINESS SOLUTIONS CO.,LTD | 0 |
| AS2915 | SoftBank Corp. | 0 |
| AS131985 | Maple Audio Technology Corp | 0 |
| AS4732 | KDDI CORPORATION | 0 |
| AS136574 | Zheye Networks | 0 |
| AS2713 | SoftBank Corp. | 0 |
| AS9380 | Community Network Center Inc. | 0 |
| AS26911 | FREEVERSE CORPORATION | 0 |
| AS2524 | EJWORKS CORPORATION | 0 |
| AS55372 | University of the Ryukyus | 0 |
| AS131106 | AS for DATAHOTEL, which is one of iDC in Japan, | 0 |
| AS55375 | SmartInsight Inc. | 0 |
| AS137072 | LEON CO.LTD | 0 |
| AS131086 | Densan Co., Ltd. | 0 |
| AS137407 | EIC INC | 0 |
| AS25168 | Mitsui & Co Europe PLC | 0 |
| AS137508 | Oriental Star Network Limited | 0 |
| AS131979 | ZIP Telecom | 0 |
| AS137875 | ShedDC | 0 |
| AS138038 | Wolf Network Lab | 0 |
| AS131978 | NTT COMMUNICATIONS CORPORATION | 0 |
| AS138328 | Skadden, Arps, Slate, Meagher & Flom LLP | 0 |
| AS9592 | SOFTBANK TELECOM Corp. | 0 |
| AS131975 | Oedo Telecom Inc | 0 |
| AS55389 | Japan Network Enabler Corporation | 0 |
| AS131974 | Cable TV Corporation | 0 |
| AS131085 | Niigata Communication Service | 0 |
| AS131084 | MKI Network Solutions, Ltd. | 0 |
| AS2502 | The University of Tokyo | 0 |
| AS131971 | SBFrameWorks | 0 |
| AS138467 | Yahagi Network Solutions | 0 |
| AS138632 | Enmoe Network | 0 |
| AS55748 | 7-9-10 Nishi-Shinjuku | 0 |
| AS55817 | Nippon Telegraph and Telephone Corporation PF Labs | 0 |
| AS2499 | Japan Network Information Center | 0 |
| AS55889 | Equinix Japan Enterprise K.K. | 0 |
| AS138695 | TOYO Internet Service Co., Ltd. | 0 |
| AS138986 | INAP Japan Tokyo Shiohama DC | 0 |
| AS55892 | DNPDC | 0 |
| AS55893 | NTT DATA CORPORATION | 0 |
| AS24297 | University Public Corporation Osaka | 0 |
| AS131083 | Mercari, Inc. | 0 |
| AS55896 | Videx Inc. | 0 |
| AS139058 | Acandwitf.com | 0 |
| AS139072 | Wework Singapore Pte. Ltd. | 0 |
| AS139238 | VMOON | 0 |
| AS131968 | Mizuho Bank, Ltd | 0 |
| AS139358 | Kansuiun Co., Ltd | 0 |
| AS139470 | OCX GROUP INC. | 0 |
| AS55903 | Tokyo Stock Exchange, Inc. | 0 |
| AS131967 | Mizuho Bank, Ltd | 0 |
| AS24273 | CANON INC. | 0 |
| AS55906 | Ustream Asia, Inc. | 0 |
| AS140306 | NTT Ltd Japan Corporation | 0 |
| AS55908 | Nomura Research Institute,Ltd. | 0 |
| AS9598 | NTT Communications Corporation | 0 |
| AS140363 | Media Platform Lab Co., Ltd. | 0 |
| AS24265 | NTT Communications Corporation | 0 |
| AS9599 | EJWORKS CORPORATION | 0 |
| AS56023 | SmartRams Co., Ltd. | 0 |
| AS56024 | KARSCOLTD-JP | 0 |
| AS56025 | Kars co.ltd. | 0 |
| AS56033 | Rakushasu Inc | 0 |
| AS56218 | QGPOP | 0 |
| AS131082 | Japan Internet Exchange Co., Ltd. | 0 |
| AS131081 | Intec NetCore, Inc. | 0 |
| AS58535 | Colt Technology Services B.V. | 0 |
| AS140642 | Wasabi Technologies Inc. | 0 |
| AS58646 | FreeBit Co.,Ltd. | 0 |
| AS24256 | SOFTBANK Corp. | 0 |
| AS140683 | Starbow Ltd. | 0 |
| AS131080 | SAKURA Internet Inc. | 0 |
| AS131962 | KADOKAWA DWANGO CORPORATION | 0 |
| AS18084 | Telstra Global Internet Services Network Blocks | 0 |
| AS140701 | IDC Legend Corp. | 0 |
| AS140868 | TakataSDCC Net | 0 |
| AS141348 | Bayer Holding Ltd. | 0 |
| AS141694 | Otaku Limited | 0 |
| AS24114 | Equinix Asia Pacific | 0 |
| AS9606 | Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency | 0 |
| AS24056 | Internet Data Centre | 0 |
| AS24047 | Internet Systems Consortium, Inc. | 0 |
| AS131956 | NTT Communications Corporation | 0 |
| AS58792 | WirelessGate, Inc. | 0 |
| AS23929 | Ubiquitous Corp. Data Center Network. | 0 |
| AS23926 | JP DC | 0 |
| AS23830 | Gaitame.com Co.,Ltd. | 0 |
| AS141765 | Blinkload Technology (Japan) Co., Ltd. | 0 |
| AS142025 | Game Plus Studio | 0 |
| AS142438 | Kasumi Networks Inc | 0 |
| AS18089 | KDDI Corporation | 0 |
| AS142584 | Imaging Bay, Inc. | 0 |
| AS23815 | Japan Internet Exchange Co., Ltd. | 0 |
| AS59100 | Kochi Gakuen College | 0 |
| AS59101 | mirai-bs corporation | 0 |
| AS23814 | WIDE Project | 0 |
| AS23813 | SORUN Corporation | 0 |
| AS23811 | SIGA2009 | 0 |
| AS23810 | IC-NET Corporation | 0 |
| AS59106 | SKYLINKS INC. | 0 |
| AS18086 | PFU LIMITED | 0 |
| AS131947 | Net One Systems Co., Ltd. | 0 |
| AS23809 | Televi Naruto .CO.,LTD | 0 |
| AS142622 | Dream Information Laboratory | 0 |
| AS9609 | Ymobile Corporation | 0 |
| AS59112 | Plus One marketing Ltd. | 0 |
| AS131077 | Deloitte Tohmatsu Corporate Solutions LLC | 0 |
| AS59114 | Recruit Co., Ltd. | 0 |
| AS131075 | Nippon Telegraph and Telephone Corporation PF Labs., | 0 |
| AS23806 | Chupicom Hiroshima Corp. | 0 |
| AS146968 | COMSQUARE Co.,Ltd. | 0 |
| AS59119 | HIDATAKAYAMA CABLE NETWORK INC. | 0 |
| AS23803 | The University of Tokyo | 0 |
| AS23797 | IXO | 0 |
| AS23796 | NTT Information Network Laboratory Group | 0 |
| AS146970 | BBSakura Networks, Inc. | 0 |
| AS9616 | WIDE Project | 0 |
| AS146971 | Media Adventure Inc | 0 |
| AS146973 | Energia Communications,Inc. | 0 |
| AS146975 | NIPPON TELEGRAPH AND TELEPHONE EAST CORPORATION | 0 |
| AS131074 | APNIC R&D Centre JP | 0 |
| AS146978 | BBIX, Inc. | 0 |
| AS59130 | NTT Communications Corporation | 0 |
| AS146983 | Osaka University | 0 |
| AS63524 | Equinix Asia Pacific | 0 |
| AS146984 | INTERNET MULTIFEED CO. | 0 |
| AS23748 | Cat Networks K.K. | 0 |
| AS146985 | KISSEI COMTEC Co.,Ltd | 0 |
| AS147058 | 1200-03-019901 | 0 |
| AS23643 | TOYAMA-TIC | 0 |
| AS23640 | BBIX,Inc. | 0 |
| AS23638 | AMIXCOM Inc. | 0 |
| AS63777 | National Institutes of Natural Sciences National Astronomical Observatory of JAPAN | 0 |
| AS63778 | Border Gateway Protocol Network Analysis Project | 0 |
| AS147311 | Nevigate Global Network Japan Corporation | 0 |
| AS131073 | Telstra Global Internet Services Network Blocks | 0 |
| AS148985 | ANSYS Japan K.K. | 0 |
| AS149045 | Silicon Cloud Global (JP) | 0 |
| AS149993 | 4b42 UG | 0 |
| AS150143 | IotMedia Lab | 0 |
| AS23625 | TOKAI Communications Corporation | 0 |
| AS1233 | National Space Development Agency | 0 |
| AS10807 | Hitachi Business International, Ltd. | 0 |
| AS63788 | MOCHIYA Inc. | 0 |
| AS150296 | 1NextNet | 0 |
| AS150298 | More Waifu Backbone | 0 |
| AS23622 | Tsuru Gakuen | 0 |
| AS63792 | Hyperspace Communications | 0 |
| AS150314 | Inoue Hideaki | 0 |
| AS17513 | Kids-way Corporation | 0 |
| AS63795 | RoutelNet | 0 |
| AS17521 | Kochi University of Technology | 0 |
| AS63978 | CJL-JP | 0 |
| AS213069 | PANYUAN HUANG | 0 |
| AS211066 | SAKURA ITO | 0 |
| AS208690 | SAKANO YUTA | 0 |
| AS202747 | Kazuki Omoto | 0 |
| AS17522 | NIPPON TELEGRAPH AND TELEPHONE WEST CORPORATION | 0 |
| AS131935 | Kamoike.net LLP | 0 |
| AS17524 | DS Networks | 0 |
| AS17527 | CHITA MEDIAS NETWORK INC. | 0 |
| AS7512 | WITH Network | 0 |
| AS18279 | Bukkyo University | 0 |
| AS18095 | Reitaku University | 0 |
| AS7515 | NTT Ltd Japan Corporation | 0 |
| AS131922 | leafnet Co.,Ltd. | 0 |
| AS7517 | ICOMT Inc. | 0 |
| AS17532 | Tokyo Polytechnic University | 0 |
| AS18277 | Kurashiki University of Science and the Arts | 0 |
| AS7523 | RICOH JAPAN Corporation | 0 |
| AS17677 | ARTERIA Networks Corporation | 0 |
| AS7526 | Mitsubishi Electric Information Network Corporation | 0 |
| AS18270 | Toin University of Yokohama | 0 |
| AS18269 | Kai Creates Inc. | 0 |
| AS17692 | Kyocera Communication Systems Co., Ltd. | 0 |
| AS7531 | GenomeNet Project | 0 |
| AS10124 | Amazon Data Services Japan KK | 0 |
| AS17695 | MLJS | 0 |
| AS7661 | Network Organization for Research and Technologyin Hokkaido | 0 |
| AS131913 | Niigata ken | 0 |
| AS17696 | Okinawa Telecommunication Network Co.,Inc | 0 |
| AS17697 | NTT PC Communications, Inc. | 0 |
| AS7666 | Mitsubishi Corporation | 0 |
| AS18151 | COMPUTER ENGINEERING & CONSULTING LTD. | 0 |
| AS17795 | Netvein.co.jp | 0 |
| AS7669 | DIGITAL TECHNOLOGIES CORPORATION | 0 |
| AS131908 | INTEC Inc. | 0 |
| AS17933 | Nippon Telegraph and Telephone East Corporation | 0 |
| AS10007 | SoftBank Corp. | 0 |
| AS7673 | ejworks corporation | 0 |
| AS18146 | Intec NetCore, Inc. | 0 |
| AS18138 | SAKURA Internet Inc. | 0 |
| AS17938 | SoftBank Corp. | 0 |
| AS18082 | Japan Agency for Local Authority Information Systems | 0 |
| AS131902 | LogicLinks, Inc. | 0 |
| AS17943 | Tokyo Denki University | 0 |
| AS7683 | trunk inc. | 0 |
| AS131900 | Directorz Co.,Ltd. | 0 |
| AS10033 | iBasis Tokyo ICO | 0 |
| AS17945 | iTV Co,Ltd | 0 |
| AS7688 | Nippon Internet Access Inc. | 0 |
| AS10026 | Telstra Global Internet Services Network Blocks | 0 |
| AS9222 | Intel Online Services Asia | 0 |
| AS9225 | Telstra Global - KK | 0 |
| AS9996 | KDDI Corporation | 0 |
| AS9352 | KuMaGaYaNet | 0 |
| AS17949 | Tokyo University of Technorogy | 0 |
| AS18067 | Humeia Corporation | 0 |
| AS131204 | GENE COMPUTING LTD. | 0 |
| AS131161 | NEC Corporation | 0 |
| AS18122 | Advanced Software Technology & Management Research Institute of KYOTO | 0 |
| AS134396 | BOMBORA TECHNOLOGIES Anycast system | 0 |
| AS38632 | cross-connect niigata co.,ltd. | 0 |
| AS38610 | APNIC R&D Centre JP | 0 |
| AS134532 | ATT NBE Equinix Tokyo | 0 |
| AS133869 | SalesForce.com, Inc. | 0 |
| AS38222 | Shimane-Japan Internet Exchange | 0 |
| AS38080 | Foresightwave INC. | 0 |
| AS133795 | The Constant Company, LLC | 0 |
| AS38640 | SAKURA Internet Inc. | 0 |
| AS38043 | Sophia Reserch Institute, Ltd. | 0 |
| AS38023 | Standard Nekomimi | 0 |
| AS37984 | Chikushi Jogakuen University, Non-transit AS. | 0 |
| AS9363 | FUJITSU KANSAI-CHUBU NET-TECH LIMITED | 0 |
| AS38645 | NTT Communications Corporation | 0 |
| AS37982 | Kirin K.K. | 0 |
| AS37981 | TOYO Internet Service Co., Ltd. | 0 |
| AS37927 | Nomura Researth Institute, Ltd. | 0 |
| AS38653 | JAPAN POST HOLDINGS Co., Ltd. | 0 |
| AS37925 | USEN CORPORATION | 0 |
| AS38655 | SaiNet Corporation | 0 |
| AS18080 | Sopiafons Co.,Ltd | 0 |
| AS37924 | Ministry of Land, Infrastructure and Transport Kinki Regional Development Bureau | 0 |
| AS38895 | Amazon.com Tech Telecom | 0 |
| AS38910 | Transit AS Tokyo | 0 |
| AS4251 | TWICS Co. Ltd. | 0 |
| AS37923 | NTT Communications Corporation | 0 |
| AS131157 | IMS Corporation | 0 |
| AS45422 | SalesForce.com, Inc. | 0 |
| AS45436 | Green Net Co., Ltd. | 0 |
| AS45672 | Koga Cable TV Co., Ltd. | 0 |
| AS45673 | Osaka Electro-Communication University | 0 |
| AS45674 | BIGLOBE Inc. | 0 |
| AS133445 | Five9, Inc. | 0 |
| AS134606 | Satori Networks | 0 |
| AS133229 | SKIP LLC | 0 |
| AS131156 | LAC Co., Ltd. | 0 |
| AS131155 | NTT Communications Corporation | 0 |
| AS135573 | mediatti broadband communications | 0 |
| AS45682 | Excite Japan Co., Ltd. | 0 |
| AS45684 | Kyocera Communication Systems Co., Ltd. | 0 |
| AS37909 | Wakkanai Hokusei Gakuen University | 0 |
| AS45686 | INTERNET MULTIFEED CO. | 0 |
Details
Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.
This page shows ASNs for Japan. See the global ASN report for network, IP address information and whois details for other countries.