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. | 44,651,520 |
| AS4713 | NTT Communications Corporation | 28,973,312 |
| AS2516 | KDDI CORPORATION | 18,366,976 |
| AS2907 | Research Organization of Information and Systems, National Institute of Informatics | 8,828,672 |
| AS17506 | ARTERIA Networks Corporation | 5,382,144 |
| AS9824 | Jupiter Telecommunication Co. Ltd | 4,745,216 |
| AS2497 | Internet Initiative Japan Inc. | 3,797,504 |
| AS2527 | Sony Network Communications Inc. | 3,707,904 |
| AS2518 | BIGLOBE Inc. | 3,670,016 |
| AS17511 | OPTAGE Inc. | 3,137,792 |
| AS2510 | FUJITSU LIMITED | 3,000,576 |
| AS9605 | NTT DOCOMO, INC. | 2,721,024 |
| AS2514 | NTT PC Communications, Inc. | 2,100,224 |
| AS4725 | SoftBank Corp. | 2,042,112 |
| AS10013 | FreeBit Co.,Ltd. | 1,867,008 |
| AS2519 | ARTERIA Networks Corporation | 1,716,992 |
| AS9595 | NTT-ME Corporation | 1,644,544 |
| AS10010 | TOKAI Communications Corporation | 1,498,112 |
| AS18126 | Chubu Telecommunications Company, Inc. | 1,226,496 |
| AS9617 | Jupiter Telecommunications Co., Ltd. | 1,163,264 |
| AS4694 | IDC Frontier Inc. | 1,029,120 |
| AS4685 | Asahi Net | 1,011,712 |
| AS7679 | QTnet,Inc. | 696,320 |
| AS4721 | Jupiter Telecommunications Co., Ltd. | 631,808 |
| AS7522 | STNet, Incorporated | 529,408 |
| AS7671 | NTT SmartConnect Corporation | 451,584 |
| AS37903 | Ymobile Corporation | 443,392 |
| 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. | 344,064 |
| AS9370 | SAKURA Internet Inc. | 339,712 |
| AS131932 | JR East Information Systems Company | 327,680 |
| AS9371 | SAKURA Internet Inc. | 301,824 |
| AS18144 | Energia Communications,Inc. | 291,840 |
| AS2506 | NTT WEST CHUGOKU CORPORATION | 279,808 |
| AS9597 | KDDI Web Communications Inc. | 276,736 |
| AS7524 | ITEC HANKYU HANSHIN CO.,LTD. | 264,704 |
| AS7506 | GMO Internet,Inc | 263,168 |
| AS2500 | WIDE Project | 262,656 |
| AS4673 | NTT DATA CORPORATION | 258,048 |
| AS2522 | Japan Network Information Center | 229,120 |
| AS7687 | TOYOTA DIGITAL CRUISE.INCORPORATED | 208,896 |
| AS2501 | The University of Tokyo | 200,704 |
| AS7514 | Computer Engineering & Consulting, Ltd. | 200,192 |
| AS23793 | National Institute of Advanced Industrial Science and Technology | 199,936 |
| AS9354 | Community Network Center Inc. | 180,736 |
| AS17698 | COMMUNITY NETWORK CENTER INCORPORATED. | 174,080 |
| AS9374 | EDION Corporation | 165,888 |
| AS17941 | Equinix Japan Enterprise K.K. | 164,864 |
| AS9351 | ZTV CO.,LTD | 159,744 |
| AS4686 | BEKKOAME INTERNET INC. | 157,440 |
| AS17529 | STARCAT CABLE NETWORK Co .,LTD. | 143,360 |
| AS18077 | Yamaguchi Cable Vision Co.,Ltd | 135,680 |
| AS9619 | Sony Global Solutions Inc. | 135,168 |
| AS7670 | Energia Communications, Inc. | 134,656 |
| AS9614 | Oita Cable Telecom Co,ltd. | 133,120 |
| AS2504 | Kyoto University | 132,096 |
| AS37917 | University of Tsukuba | 132,096 |
| AS17516 | NTT COMWARE CORPORATION | 131,072 |
| AS4729 | Japan Atomic Energy Agency | 131,072 |
| AS38635 | Keio University | 131,072 |
| AS24297 | University Public Corporation Osaka | 131,072 |
| AS10021 | KVH Co.,Ltd | 124,160 |
| AS24572 | Yahoo Japan | 119,808 |
| AS7516 | Tohoku Intelligent Telecommunication Co., Inc. | 119,040 |
| AS3488 | Information Systems Department, Japan Aerospace Exploration Agency | 115,200 |
| AS2554 | IDC Frontier Inc. | 108,288 |
| AS55392 | INTERNET MULTIFEED CO. | 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 |
| AS9993 | ITOCHU Techno-Solutions Corporation | 91,136 |
| AS17534 | NSK Co.,Ltd. | 91,136 |
| AS24282 | KAGOYA JAPAN Inc. | 89,088 |
| AS18097 | D.C.N. Corporation | 84,992 |
| AS138968 | rainbow network limited | 83,200 |
| AS9600 | So-net Corporation | 82,944 |
| AS18260 | EHIME CATV CO.,LTD. | 80,384 |
| AS131921 | GMO GlobalSign Holdings K.K. | 80,128 |
| AS17514 | Otsuka Corp. | 79,872 |
| AS7502 | Advanced Software Technology & Management Research Institute of KYOTO | 74,240 |
| AS2505 | High Energy Accelerator Research Organization, KEK | 74,240 |
| AS58647 | Kagawa University | 73,728 |
| AS23820 | Rakuten,Inc. | 73,728 |
| AS23781 | Toyama University | 72,704 |
| AS17509 | STARNET Co.,Ltd. | 71,680 |
| AS17673 | MITSUI KNOWLEDGE INDUSTRY CO., LTD. | 71,680 |
| AS9615 | TOYOHASHI CABLE NETWORK INC. | 71,680 |
| AS7511 | SYNAPSE Co.,Ltd. | 71,680 |
| AS18271 | Nissho Electronics Corporation | 69,632 |
| AS17947 | SAKURA KCS Corporation. | 69,632 |
| AS10000 | Nagasaki Cable Media Inc. | 69,632 |
| AS37918 | Nippon Telegraph and Telephone Corporation | 69,376 |
| AS7672 | Hokuden Information System Service Co.,Ltd. | 68,608 |
| AS23720 | Rakuten Mobile Network, Inc. | 68,096 |
| AS4730 | Osaka University | 67,584 |
| AS17961 | mitene internet co., ltd. | 67,584 |
| AS10006 | SECOM Trust Systems Co.,Ltd. | 67,584 |
| AS9622 | Kurashiki Cable TV | 67,584 |
| AS2526 | Global Solution 2nd Office. IT Strategy & Digital Integration Division. Hitachi, Ltd. | 67,584 |
| AS18268 | Naganoken Kyodou Densan Co.Ltd. | 67,072 |
| AS24261 | Mie University | 66,304 |
| AS17932 | Japan Advanced Institute of Science and Technology | 65,792 |
| AS17944 | Japan Weather Association | 65,792 |
| AS17946 | Gifu 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 |
| AS131159 | Yamagata University | 65,536 |
| AS9366 | SOLITON-NET | 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 |
| AS59104 | Soka University | 65,536 |
| AS58785 | Tohoku Gakuin University | 65,536 |
| AS58652 | Kochi University | 65,536 |
| AS55904 | KOGAKUIN University | 65,536 |
| AS55390 | Tokyo University of Science | 65,536 |
| AS55380 | Kanazawa University | 65,536 |
| AS55379 | Hosei University | 65,536 |
| AS45685 | Rikkyo Gakuin Rikkyo University | 65,536 |
| AS131981 | Takushoku University | 65,536 |
| AS38654 | INES Corporation. | 65,536 |
| AS38641 | Osaka Sangyo University | 65,536 |
| AS37919 | SEGA Group Co., Ltd. | 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 |
| AS23623 | Chuo University | 65,536 |
| AS23615 | University of Shizuoka | 65,536 |
| AS18276 | Kansai University | 65,536 |
| AS17510 | INFORMATION SERVICES INTERNATIONAL - DENTSU, LTD. | 65,536 |
| AS17512 | Japan Airlines Co.,Ltd. | 65,536 |
| AS17523 | Aoyama Gakuin University | 65,536 |
| AS18128 | RIKEN(Physical and Chemical Research Institute) | 65,536 |
| AS18125 | Ministry of Agriculture, Forestry and Fisheries Research Network | 65,536 |
| AS18124 | Okayama University of Science | 65,536 |
| AS18087 | Toyo University | 65,536 |
| AS18069 | SOFTBANK TECHNOLOGY CORP. | 65,536 |
| AS17701 | Seinan Gakuin University | 65,536 |
| AS17960 | University of the Ryukyus | 65,536 |
| AS17956 | WASEDA University | 65,536 |
| AS18148 | Fukuoka University | 65,024 |
| AS38628 | HIMEJI CABLE TELEVISION CORPORATION | 64,512 |
| AS23816 | Yahoo Japan Corporation | 63,744 |
| AS17686 | ACCELIA | 63,488 |
| AS131965 | Xserver Inc. | 60,928 |
| AS17939 | miyazaki cabletelevision network Co.,LTD | 59,392 |
| AS4723 | Dolphin | 57,344 |
| AS4677 | Marubeni OKI Network Solutions Inc. | 56,832 |
| AS23637 | Equinix Japan Enterprise K.K. | 55,296 |
| AS131918 | SHONAN CABLE NETWORK | 55,296 |
| AS23791 | LCV Corporation | 52,224 |
| AS59127 | Newmedia Corporation | 51,200 |
| AS37892 | Cable Media WAIWAI Co.,Ltd. | 49,152 |
| AS4680 | Mitsubishi Electric Information Network Corporation | 49,152 |
| AS17675 | Internap Japan Co.,LTD. | 49,152 |
| AS131938 | NISSAN MOTOR CO.,LTD. | 49,152 |
| AS55387 | Japan Communication Inc. | 49,152 |
| AS18278 | Cable TV Corporation | 47,104 |
| AS24295 | Internap Japan Co.,Ltd. | 47,104 |
| AS18282 | TONAMI Internet Service(TONAMI TransportationCo.,Ltd.) | 47,104 |
| AS4693 | CSK-IT MANAGEMENT CORPORATION | 45,056 |
| AS23785 | SUN FIELD INTERNET LIMITED | 45,056 |
| AS9378 | Jupiter Telecommunications Co., Ltd. | 45,056 |
| AS38631 | LINE Corporation | 43,776 |
| AS18092 | Kyushu Tele Communications Company | 43,008 |
| AS18136 | Jupiter Telecommunications Co., Ltd. | 43,008 |
| AS2511 | NTT | 41,728 |
| AS7690 | Mirai Communication Network Inc. | 41,472 |
| AS10019 | Matsusaka Cable-TV Station Inc. | 40,960 |
| AS7676 | TAM-Internet Service (T.A.M Co., Ltd.) | 39,936 |
| AS18135 | BTV Cable Television CO.,LTD. | 38,912 |
| AS17530 | Nihon Network Service Co, .Ltd. | 38,912 |
| AS131959 | YOU Communications Corporation | 37,376 |
| AS10003 | Ogaki Cable Television Co.,Inc. | 36,864 |
| AS24276 | Jupiter Telecommunications Co., Ltd. | 36,864 |
| AS10001 | Mics Network Corporation | 36,864 |
| AS9998 | ISAO Corporation | 36,864 |
| AS38634 | DWANGO Co.,Ltd. | 36,096 |
| AS55900 | GLBB Japan KK | 35,840 |
| AS7682 | HOKKAIDO TELECOMMUNICATIONS NETWORK Co., Inc. | 35,840 |
| AS17955 | Densan Co., Ltd. | 35,328 |
| AS38462 | Osaki Computer Engineering Co.Ltd | 35,328 |
| AS55391 | INTERNET MULTIFEED CO. | 34,816 |
| AS23783 | Cable Networks Akita Co.,ltd. | 34,560 |
| AS132827 | GATEWAY INC | 34,304 |
| 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 |
| AS9621 | Okinawa Telecommunication Network Co.,Inc | 31,744 |
| AS4675 | UNIADEX, LTD. | 31,488 |
| AS18068 | Dream Wave Shizuoka Co. Ltd. | 31,232 |
| AS23624 | Chukai Television Co,.Ltd. | 30,720 |
| AS17661 | NHN JAPAN Corp. | 30,208 |
| AS7668 | Hokuriku Telecommunication Network Co. | 29,696 |
| AS18134 | Jupiter Telecommunications Co., Ltd. | 29,696 |
| AS2512 | TCP Inc. | 28,928 |
| AS131934 | ICC Corporation | 28,672 |
| AS9607 | BroadBand Tower, Inc. | 28,160 |
| AS59125 | FAMILY NET JAPAN INCORPORATED | 27,648 |
| AS59092 | kronos.Co.,Ltd. | 27,648 |
| AS23629 | Obihiro City Cable Co.,Ltd. | 27,136 |
| AS17504 | NRI Netcom, Ltd. | 26,880 |
| AS24249 | JWAY co., Ltd. | 26,624 |
| AS24296 | Yahoo Japan Corporation | 26,624 |
| AS131927 | TV Matsumoto Cablevision | 26,624 |
| AS55394 | GREE, Inc. | 26,624 |
| AS9601 | Niigata Communication Service | 26,624 |
| AS131958 | Tama Cable Network Co.,Ltd. | 26,112 |
| AS24255 | Tannan Cable Television Corporation | 25,600 |
| AS23661 | CLARA ONLINE, Inc. | 24,832 |
| AS10002 | IGAUENO CABLE TELEVISION CO.,LTD | 24,576 |
| AS23788 | Jupiter Telecommunications Co., Ltd. | 24,576 |
| AS10012 | Rakuten Mobile, Inc. | 24,576 |
| AS131916 | Tokyo Bay Network Co.,Ltd. | 24,576 |
| AS56291 | Ace, Inc. | 24,576 |
| AS17950 | SaiNet | 24,576 |
| AS4785 | xTom | 24,320 |
| AS18121 | Ishikawa Computer Center Co.,LTD. | 24,064 |
| AS17682 | 296 BROAD NET Com Inc | 23,552 |
| AS131925 | FAMILY NET JAPAN INCORPORATED | 23,296 |
| AS131937 | Joetsu Cable Vision | 23,040 |
| AS18274 | Utsunomiya Cable TV Corporation | 22,528 |
| AS23786 | San-in Cable Vision CO.,LTD | 22,528 |
| AS17958 | Kasaoka Cable Vision Co,LTD. | 21,504 |
| AS17691 | NDS Co., Ltd. | 21,504 |
| AS7505 | Fujitsu Systems Applications & Support Limited | 21,504 |
| AS23777 | NTT BUSINESS SOLUTIONS CORPORATION | 20,992 |
| AS10004 | JIN Office Service Inc. | 20,992 |
| AS24278 | USEN CORPORATION | 20,480 |
| AS23778 | IMIZU CABLE NETWORK CO.,LTD. | 20,480 |
| AS45675 | Jupiter Telecommunications Co., Ltd. | 20,480 |
| AS17931 | Netforest,Inc. | 20,480 |
| AS18267 | Doshisha University | 20,480 |
| AS131915 | Hamamatsu Cable Television .Inc | 20,480 |
| AS4695 | Energia Communications, Inc. | 20,480 |
| AS9999 | AT TOKYO Corporation | 20,224 |
| AS18129 | OKAYAMA NETWORK INC. | 19,968 |
| AS59109 | Hitachi,Ltd., Cloud services Division | 19,456 |
| AS17957 | SOUTH TOKYO CABLETELEVISION | 19,456 |
| AS18283 | Fureai Channel Inc. | 19,456 |
| AS23805 | Watarase Television Co.,Ltd | 18,432 |
| AS23790 | Jupiter Telecommunications Co., Ltd. | 18,432 |
| AS23784 | SQUARE ENIX CO., LTD. | 18,432 |
| AS24277 | Okinawa Cable Network Inc. | 18,432 |
| AS9997 | Suzuka Cable Co.,Ltd | 18,432 |
| AS10011 | advanscope.inc | 18,432 |
| AS23627 | UEDA CABLE VISION CO.,LTD. | 17,408 |
| AS4711 | INTEC Inc. | 17,408 |
| AS18094 | Tokyo Cable Network.,INC | 17,408 |
| AS24259 | kanuma cable television Corporation | 17,408 |
| AS63770 | Industrial Cyber Security Center of Excellence | 17,408 |
| AS9466 | UUNET Japan Limited | 17,152 |
| AS18071 | Panasonic Corporation Corporate Information Systems Company | 16,640 |
| AS9618 | catv-tokushima | 16,384 |
| AS17683 | Wingtechnology Communications, Inc. | 16,384 |
| AS24271 | Iruma CATV co. | 16,384 |
| AS7503 | Air Internet Service Co.,Ltd. | 16,384 |
| AS55910 | Shibaura Institute of Technology | 16,384 |
| AS23780 | CTB Media Inc. | 16,384 |
| AS18281 | Tokoname New-TV Corporation | 16,384 |
| AS23635 | CRCCMedia Co.,ltd | 16,384 |
| AS55384 | Japan Advanced Institute of Science and Technology | 16,384 |
| AS18085 | Fujitsu Systems Applications & Support Limited | 16,384 |
| AS23620 | DMM.com LLC | 15,360 |
| AS24251 | Iwakuni Cable Network Corporation | 15,360 |
| AS131899 | DIG Inc. | 14,848 |
| AS23808 | TOSHIMA CABLE NETWORK CO.,LTD | 14,336 |
| AS9604 | FUJI SOFT INCORPORATED | 14,336 |
| AS17936 | Cable Television Kani Co.,Inc. | 14,336 |
| AS63997 | Tsukaeru.net, Web Hosting Company, Japan | 13,824 |
| AS131952 | Asahikawa Cable Television Co., Ltd. | 13,824 |
| AS7677 | Dai Nippon Printing Co., Ltd | 13,568 |
| AS18070 | Global Network Core Co.,Ltd. | 13,312 |
| AS55381 | CITY-CABLE SHUNAN Corporation | 12,800 |
| AS58650 | Warabi Cable Vision Co., Ltd. | 12,800 |
| AS38639 | NTT Communications Corporation | 12,544 |
| AS7529 | NetIRD Inc. | 12,544 |
| AS18266 | Datacore Works Co.,Ltd. | 12,288 |
| AS23817 | Fujitsu Limited. | 12,288 |
| AS131923 | Mihara Cable Television Ltd. | 12,288 |
| AS18142 | KISTEM Co., Ltd. | 12,288 |
| AS23628 | Academic newtown Community Cable Service | 12,288 |
| AS18075 | Chupicom Hiroshima Corp. | 12,288 |
| AS55388 | ASJ INC. | 12,288 |
| AS131931 | Aomori Cable TV Co., Ltd. | 10,752 |
| AS55385 | Digital Alliance Co.,Ltd. | 10,240 |
| AS59107 | Hachinohe Cable Television Co. | 10,240 |
| AS131926 | Cable Television Saiki Co. , Ltd. | 10,240 |
| AS17689 | Hokuden Information Technology,Inc. | 9,728 |
| AS132418 | 1 Rue Royale FR | 9,216 |
| AS45677 | Isahaya Cable Media Co.,Ltd | 9,216 |
| AS7664 | HARENET INC. | 9,216 |
| AS131911 | HONJYO CABLE VISION CO., LTD. | 9,216 |
| AS23775 | Tamashima TV Inc. | 9,216 |
| AS24279 | SENDAI CATV CO.,LTD. | 9,216 |
| AS37922 | Diversitymedia Co.,Ltd. | 9,216 |
| AS173 | Electrical Communications Laboratories | 8,704 |
| AS37908 | KIBI Cable Television Co.,Ltd. | 8,704 |
| AS132726 | 5-3 Miyuki-cho | 8,704 |
| AS17678 | Gunma Internet Co,.ltd | 8,704 |
| AS18258 | Morgan Stanley Japan Limited | 8,448 |
| AS59117 | RBNET Co.,Ltd. | 8,448 |
| AS4672 | IBM Japan, Ltd. | 8,192 |
| AS131933 | TAMA Television Co., Ltd | 8,192 |
| AS4719 | Onkyo Corporation | 8,192 |
| AS23630 | CAC Inc. | 8,192 |
| AS17940 | CYBER LINKS Co.,Ltd. | 8,192 |
| AS9358 | OPTAGE Inc. | 8,192 |
| AS7678 | Prox System Design Inc. | 8,192 |
| AS23618 | Ibara Broadcasting Company | 8,192 |
| AS17694 | Deutsche Bank Group, Japan BGP connection | 8,192 |
| AS7665 | Okayama Prefectural Government | 8,192 |
| AS23804 | Nonprofit Organization Kitaura Hana Net | 8,192 |
| AS24336 | DIGITALBANK, Inc., Regional ISP in Japan | 8,192 |
| AS23796 | NTT Service Evolution Laboratories | 8,192 |
| AS55899 | LEON TECHNOLOGY, Inc. | 8,192 |
| AS7686 | Technology Networks Inc. | 8,192 |
| AS17677 | ARTERIA Networks Corporation | 8,192 |
| AS17977 | SINGTEL-JP | 8,192 |
| AS59091 | Kanagawa Institute of Technology | 8,192 |
| AS59096 | Meiji Gakuin University | 8,192 |
| AS23619 | SMARTVALUE Co.,Ltd. | 8,192 |
| AS59102 | GENES Co., Ltd. | 8,192 |
| AS17518 | Shiojiri City | 8,192 |
| AS24121 | Equinix Asia Pacific | 7,680 |
| AS23827 | Azumino Network Community TV | 7,680 |
| AS131960 | MBO holdings Inc. | 7,680 |
| AS24284 | CyberAgent, Inc. | 7,424 |
| AS17948 | EditNet, Incorporated | 7,168 |
| AS17693 | YAMATO SYSTEM DEVELOPMENT CO., LTD. | 7,168 |
| AS23822 | HAGI Television Co., Ltd. | 7,168 |
| AS23818 | JETINTERNET Corporation | 6,912 |
| AS23829 | NTT NEOMEIT YAMAGUCHI CORPORATION | 6,912 |
| AS55376 | KCV communications CO.,LTD. | 6,656 |
| AS45687 | Minamikyusyu CableTV Net Inc. | 6,656 |
| AS17505 | SOFTBANK MOBILE Corp. | 6,656 |
| AS10015 | Cyber Wave Japan Co., Ltd. | 6,400 |
| AS63772 | extride inc. | 6,400 |
| AS7517 | ICOMT Inc. | 6,144 |
| AS9353 | MEDIAWARS co.,ltd. | 6,144 |
| AS18088 | Kyuden Infocom Company Inc | 6,144 |
| AS17680 | SCSK Corporation | 6,144 |
| AS18264 | Seikei Eizo Network Inc. | 6,144 |
| AS23613 | New Media Tokushima Co.,ltd. | 6,144 |
| AS59126 | NCT CO.,LTD. | 6,144 |
| AS23631 | Sofu System, Inc | 6,144 |
| AS23639 | NTT Bizlink, Inc. | 6,144 |
| AS23641 | NS Computer Service Corporation | 6,144 |
| AS59094 | esu2 Corporation | 6,144 |
| AS23776 | NEC Corporation | 6,144 |
| AS131949 | General Incorporated Foundation Aso Telework Center | 6,144 |
| AS137445 | PF LINK SYSTEMS | 6,144 |
| AS24289 | Kagawa T.V Broadcast Network Co,.Ltd | 6,144 |
| AS24290 | Heart Network Co.,LTD | 6,144 |
| AS24512 | HAL Internet, Internet Service Provider, Tottori, Japan | 6,144 |
| AS24567 | QT Inc. | 5,632 |
| AS38638 | Ip Core Corporation | 5,376 |
| AS17937 | NIKKEI ADVANCED SYSTEMS INC. | 5,376 |
| AS37916 | A.T.WORKS, Inc. | 5,120 |
| AS37907 | DigiRock, Inc. | 5,120 |
| AS38651 | Mixi,Inc. | 5,120 |
| AS7660 | Asia Pacific Advanced Network - Japan | 5,120 |
| AS131954 | Kawaguchiko cable television Inc | 5,120 |
| AS58788 | Chiroro-Net Co.,Ltd. | 5,120 |
| AS131893 | RICOH Company, Ltd. | 5,120 |
| AS23614 | Kochi Systems Co., Ltd. | 5,120 |
| AS24270 | CRC Solutions Corp., | 5,120 |
| AS37914 | Advanced Software Technology and Management Research Institute of KYOTO | 4,608 |
| AS135401 | SAP | 4,608 |
| AS18259 | NTT Communications Corporation | 4,608 |
| AS131914 | data dock Inc. | 4,608 |
| AS7521 | INTERNET MULTIFEED CO. | 4,608 |
| AS131970 | Hikarinet Inc. | 4,608 |
| AS37897 | AXEL NETWORKS, INC. | 4,608 |
| AS55912 | University of Kochi | 4,352 |
| AS9363 | FUJITSU KANSAI-CHUBU NET-TECH LIMITED | 4,096 |
| AS23773 | EKZM co.,ltd. | 4,096 |
| AS18290 | Mimedia Corporation | 4,096 |
| AS17934 | National Institute of Information and Communications Technology | 4,096 |
| AS18067 | Humeia Corporation | 4,096 |
| AS45690 | Tokushima Central TV Co.,Inc. | 4,096 |
| AS23967 | Produce On Demand Inc. Streaming Contents Delivery Service Tokyo | 4,096 |
| AS17699 | ARTERIA Networks Corporation | 4,096 |
| AS23836 | RELATION Co., Ltd. | 4,096 |
| AS18074 | First Riding Technology Inc. | 4,096 |
| AS23798 | VR Techno Center,inc | 4,096 |
| AS17685 | SQUARE ENIX CO., LTD. | 4,096 |
| AS18383 | CAHI Corporation, | 4,096 |
| AS37898 | digitiminimi, inc. | 4,096 |
| AS17953 | BroadBand Security, Inc. | 4,096 |
| AS63782 | Omaezaki Cable Television Co.Ltd | 4,096 |
| AS10016 | Minaminihon Information Processing Center Co Ltd | 4,096 |
| AS17513 | Kids-way Corporation | 4,096 |
| AS18263 | MEITETSUCOM Co., Ltd. | 4,096 |
| AS132119 | BNP Paribas | 4,096 |
| AS18143 | Mitsubishi Research Institute DCS Co.,Ltd. | 4,096 |
| AS18141 | HBA | 4,096 |
| AS18140 | Yahoo Japan Corporation | 4,096 |
| AS132095 | HEWLETT PACKARD-SHINSUNA COLO | 4,096 |
| AS23632 | TVT Tsuyama Co.,Ltd. | 4,096 |
| AS38633 | Value Core Inc. | 4,096 |
| AS18289 | AT&T JAPAN KK | 4,096 |
| AS24264 | Kanazawa Institute of Technology | 4,096 |
| AS38652 | Ginzado Co.,Ltd. | 4,096 |
| AS45672 | Koga Cable TV Co., Ltd. | 4,096 |
| AS9990 | Nippon Information and Communication Corporation | 4,096 |
| AS23824 | Future Spirits Co.,Ltd. | 4,096 |
| AS55897 | SAKURA Internet Inc. | 4,096 |
| AS23794 | Club iT Corporation | 4,096 |
| AS23795 | Fitec Corp. | 4,096 |
| AS131963 | MC Digital Realty, Inc. | 4,096 |
| AS18086 | PFU LIMITED | 4,096 |
| AS18211 | Nomura India Services Pvt Ltd | 3,840 |
| AS45688 | The University of Tokyo Interfaculty Initiative in Information Studies | 3,584 |
| AS24477 | NetApp, Inc. | 3,584 |
| AS59116 | AIG Technologies KK | 3,584 |
| AS18127 | Ibaraki Prefectural Government | 3,584 |
| AS4697 | Network Technology Laboratories, NIPPON TELEGRAPH AND TELEPHONE CORPORATION | 3,328 |
| AS59103 | SoftEther Corporation | 3,328 |
| AS23828 | Misaki Town | 3,072 |
| AS23616 | Hitachi Information Systems, Ltd. | 3,072 |
| AS58653 | UD Trucks Corporation, Volvo Information Technology Japan | 3,072 |
| AS58791 | GMO Internet,Inc | 3,072 |
| AS45680 | DOVA Corporation | 3,072 |
| AS2515 | Japan Network Information Center | 3,072 |
| AS7663 | FUJIMIC INC. | 2,816 |
| AS136407 | Virtustream Cloud Services Australia Pty Limited | 2,560 |
| AS38627 | Baidu, Inc. | 2,560 |
| AS37915 | Wakayama Prefectural Government | 2,560 |
| AS131950 | EnjoyVC Japan Corporation | 2,560 |
| AS37891 | JR TOKAI Information Systems Company | 2,560 |
| AS55898 | Yahoo Japan Corporation | 2,560 |
| AS131955 | Kyoutou Cable Net Co Ltd | 2,560 |
| AS59118 | NRI SecureTechnologies, Ltd. | 2,560 |
| AS24229 | IX-layers, Inc. | 2,304 |
| AS18072 | NTT Communications, Corp. | 2,304 |
| AS45682 | Excite Japan Co., Ltd. | 2,304 |
| AS38715 | Regional-IX ASN Tottori pref Japan. | 2,304 |
| AS134351 | Leaseweb Japan K.K. | 2,304 |
| AS131936 | UNIVERSAL MUSIC LLC | 2,304 |
| AS38636 | DeNA, Co. Ltd. | 2,304 |
| AS136574 | Zheye Networks | 2,304 |
| AS59123 | Kakaku.com, Inc. | 2,304 |
| AS45846 | Shiga area POP AS Number | 2,048 |
| AS58784 | Rissho University | 2,048 |
| AS63771 | Border Gateway Protocol Network Analysis Project | 2,048 |
| AS139468 | DC Communications Inc. | 2,048 |
| AS18076 | Institute of Advanced Media Arts and Sciences | 2,048 |
| AS59129 | LogicLinks, Inc. | 2,048 |
| AS55569 | Criteo APAC | 2,048 |
| AS59105 | Home NOC Operators Group | 2,048 |
| AS38642 | Yoshizou XYZ Solutions | 2,048 |
| AS131907 | Iwami Cablevision Co.,Ltd. | 2,048 |
| AS63775 | YAKAGE CABLE TELEVISION | 2,048 |
| AS63774 | Kamoike.net LLP | 2,048 |
| AS23633 | Niigata Communication Service | 2,048 |
| AS55383 | YYY Group, Inc. | 2,048 |
| AS24286 | Weathernews,Inc. | 2,048 |
| AS24288 | Accutechs Co., Ltd. | 2,048 |
| AS37912 | IPRIO Corporation. | 2,048 |
| AS37900 | NTT Communications Corporation | 2,048 |
| AS59122 | Ranger-Systems Co., Ltd. | 2,048 |
| AS55393 | Midokura Japan K.K. | 2,048 |
| AS131928 | Tottori Teletopia Co., Ltd. | 2,048 |
| AS7513 | Hitachi Systems, Ltd. | 2,048 |
| AS63783 | Chiba University of Commerce | 2,048 |
| AS18090 | IMS Corporation | 2,048 |
| AS131896 | SSI Lab Inc. | 2,048 |
| AS131943 | Goto tv | 2,048 |
| AS18272 | Benesse InfoShell Co.,Ltd | 2,048 |
| AS24250 | Miyagin Computer Service Co.,ltd | 2,048 |
| AS59095 | ACCELIA | 2,048 |
| AS24253 | J-Stream Inc. | 2,048 |
| AS133203 | SBI BITS Co., Ltd. | 2,048 |
| AS7530 | BroadBand Tower, Inc. | 2,048 |
| AS131929 | Yamanashi CATV Co,. ltd | 2,048 |
| AS7527 | Japan Internet Exchange Co., Ltd. | 2,048 |
| AS24262 | HAMANASU INFORMATION Co., Ltd. | 2,048 |
| AS133476 | First Innovation K.K. | 2,048 |
| AS37889 | J-PARC Center | 1,792 |
| AS23885 | Oracle Corporation | 1,792 |
| AS55902 | TS-NET of TOSET, Inc. in Japan | 1,792 |
| AS38643 | UNIADEX, LTD. | 1,792 |
| AS131966 | I-NET CORP. | 1,536 |
| AS139076 | EnjoyVC Japan Corporation | 1,536 |
| AS131982 | Uenohara Broadband Communications Inc. | 1,536 |
| AS24280 | Hitachi Systems, Ltd. | 1,536 |
| AS131957 | MicroAd, Inc. | 1,536 |
| AS18123 | INAOKI EDUCATIONAL INSTITUTION | 1,536 |
| AS18139 | Hitachi Solutions, Ltd. | 1,536 |
| AS137508 | Oriental Star Network Limited | 1,280 |
| AS38629 | NTT Communications Corporation | 1,280 |
| AS131912 | Cybozu,Inc. | 1,280 |
| AS58648 | AT-I, Inc. | 1,280 |
| AS131904 | Cyber Feel Inc. | 1,280 |
| AS63773 | dual&Co. Inc. | 1,280 |
| AS7674 | NTT Communications Corporation | 1,280 |
| AS131917 | Toshiba I.S. corp | 1,280 |
| AS136796 | CORELINK JAPAN | 1,280 |
| AS7667 | KDDI R&D Laboratories, INC. | 1,280 |
| AS59097 | Okinawa Cross Head Co., Ltd. | 1,024 |
| AS18091 | Teikyo University | 1,024 |
| AS18149 | Japan Registry Service Co., Ltd. | 1,024 |
| AS141757 | Zoho Japan Corporation | 1,024 |
| AS141746 | Orenji Server | 1,024 |
| AS23799 | National Defense Academy | 1,024 |
| AS23826 | Daido University | 1,024 |
| AS138033 | BBIX, Inc | 1,024 |
| AS137912 | Global Broadband K.K | 1,024 |
| AS24263 | HONDA MOTOR Co., Ltd. | 1,024 |
| AS136178 | FIL Japan Holdings K.K. | 1,024 |
| AS132504 | QUALITIA Co.,Ltd | 1,024 |
| AS38648 | F-REGI Co.,Ltd. | 1,024 |
| AS45676 | SBI TradeWinTech Co.,Ltd. | 1,024 |
| AS131969 | Suzuyo Shinwart Corporation | 1,024 |
| AS4718 | Cyber Kansai Project | 1,024 |
| AS4774 | A-Bone by Internet Initiative Japan Inc. | 1,024 |
| AS131961 | Dokkyo University | 1,024 |
| AS51044 | Kazuki Yamaguchi | 1,024 |
| AS54415 | WIZ K.K. | 1,024 |
| AS55378 | QUICK Corp. | 1,024 |
| AS55382 | Nagato city office | 1,024 |
| AS55873 | Shiodome City Center 15F | 1,024 |
| AS55891 | WATCH TOWER BIBLE AND TRACT SOCIETY | 1,024 |
| AS55894 | Who's Next | 1,024 |
| AS55901 | Sony Computer Entertainment Inc | 1,024 |
| AS55907 | GMO Internet,Inc | 1,024 |
| AS131945 | Sanntuu Corporation | 1,024 |
| AS58645 | Miyagi Cable TV Co.,Ltd | 1,024 |
| AS58654 | BLESS Co.,Ltd. | 1,024 |
| AS131942 | Gurunavi, Inc. | 1,024 |
| AS58789 | DUNAMIS Co.,Ltd | 1,024 |
| AS58792 | WirelessGate, Inc. | 1,024 |
| AS131941 | Entsu Co.,Ltd. | 1,024 |
| AS59093 | IMABARI CATV CORPORATION | 1,024 |
| AS59099 | BroadBand Tower, Inc. | 1,024 |
| AS131939 | IPS INC | 1,024 |
| AS59110 | BPS Inc. | 1,024 |
| AS131920 | WirelessGate, Inc. | 1,024 |
| AS131910 | SORACOM. INC. | 1,024 |
| AS131905 | Japan Registry Services Co., Ltd. | 1,024 |
| AS131901 | FIDESSA KK | 1,024 |
| AS131160 | Wire and Wireless Co.,Ltd. | 1,024 |
| AS24283 | MIEDEN SYSTEM SOLUTION .LTD | 768 |
| AS131909 | C&C OKINAWA | 768 |
| AS24257 | Japan Internet Exchange Co., Ltd. | 768 |
| AS37888 | HORIBA, Ltd. | 768 |
| AS10209 | Japan HUB and Data Center | 768 |
| AS63776 | Mercari, Inc. | 768 |
| AS7500 | WIDE Project | 768 |
| AS38033 | internet content provider | 768 |
| AS137819 | Beeks Financial Cloud (Japan) | 768 |
| AS55905 | TOP CLOUD Inc. | 768 |
| AS132451 | 2142-1;KUKIOKA;MAEDA; | 768 |
| AS131944 | KADOKAWA DWANGO CORPORATION | 768 |
| AS37893 | TradeWeb Europe Limited | 768 |
| AS24291 | MITSUI & CO., LTD. | 768 |
| AS136769 | WingTecJapan G.K | 768 |
| AS45691 | Elliott Advisors Asia Limited | 512 |
| AS63917 | 7-1, Udagawacho, | 512 |
| AS137462 | Rakuten Mobile Network, Inc. | 512 |
| AS24260 | Board of trusty: Kinjo-Gakuen | 512 |
| AS139255 | U-NEXT Co.,Ltd. | 512 |
| AS139345 | Hyve Managed Hosting Corp Inc | 512 |
| AS131953 | NPO Yutopianet | 512 |
| AS18131 | NTT Communications Corporation, Digital Transformation | 512 |
| AS139470 | OCX GROUP INC. | 512 |
| AS131940 | Nissho Electronics Corp. | 512 |
| AS55396 | NRI SecureTechnologies, Ltd | 512 |
| AS136779 | Schneider Electric Japan Ltd | 512 |
| AS4717 | WIDE Project | 512 |
| AS38074 | SDCC Japan-West Area | 512 |
| AS55890 | Suntory Business Systems Ltd. | 512 |
| AS45139 | Microsoft Corp | 512 |
| AS131977 | Japan Photo Finish Corporation | 512 |
| AS55895 | N.S.Computer Service Co.,Ltd. | 512 |
| AS59120 | Tsukuba Internet Service Corporation | 512 |
| AS131158 | Nara Institute of Science and Technology, National University Corporation | 512 |
| AS131155 | NTT Communications Corporation | 512 |
| AS136586 | InComm Japan K.K. | 512 |
| AS131946 | MUSASHINO UNIVERSITY E.F. | 512 |
| AS133782 | Elsevier Ltd | 512 |
| AS63779 | JUSTPLAYER Co.,Ltd. | 512 |
| AS63781 | Kobayashi Family Net LLP | 512 |
| AS63784 | Cabinet Secretariat | 512 |
| AS63785 | Fukuoka University | 512 |
| AS137008 | 1120 Shimokuzawa Chuo-ku Sagamihara-shi Kanagawa-ken | 256 |
| AS63787 | TSURUHANE JAPAN LTD. | 256 |
| AS131971 | SBFrameWorks | 256 |
| AS131903 | Nomura Research Institute,Ltd. | 256 |
| AS140363 | Media Platform Lab Co., Ltd. | 256 |
| AS140501 | Itiviti Japan K.K. | 256 |
| AS63789 | NeXtWEB Corporation | 256 |
| AS45217 | Tora Trading Services Ltd. | 256 |
| AS59111 | Akita International University | 256 |
| AS131898 | Yahoo Japan Corporation | 256 |
| AS63780 | dual&Co. Inc. | 256 |
| AS59113 | RICOH JAPAN Corporation | 256 |
| AS131079 | INTERNET MULTIFEED CO. | 256 |
| AS59115 | CYBERDYNE Inc. | 256 |
| AS23634 | WIDE Project | 256 |
| AS131895 | Okinawa Institute of science and technology | 256 |
| AS131894 | UNIADEX, LTD. | 256 |
| AS37905 | Brastel Co.,Ltd | 256 |
| AS131964 | FAMILYNET JAPAN CORPORATION | 256 |
| AS131976 | INTERNET MULTIFEED CO. | 256 |
| AS133900 | Gilead Sciences, Inc. | 256 |
| AS58651 | GMO Internet,Inc | 256 |
| AS55377 | Sadiatec Co., Ltd | 256 |
| AS131984 | JOCDN Inc. | 256 |
| AS131972 | J-Stream Inc. | 256 |
| AS58649 | GMO Internet,Inc | 256 |
| AS59124 | KYOTO Prefectural Government | 256 |
| AS37906 | NetIRD Inc. | 256 |
| AS4777 | Asia Pacific Network Information Centre | 256 |
| AS38644 | INTERNET MULTIFEED CO. | 256 |
| AS59128 | Kyoto University Microcomputer Club | 256 |
| AS131973 | J-Stream Inc. | 256 |
| AS24252 | Japan Registry Service Co., Ltd. | 256 |
| AS62184 | Michal Nowak | 256 |
| AS45679 | Tatsumi, Tomo | 256 |
| AS131078 | KDDI R&D Laboratories, INC. | 256 |
| AS131924 | Kansai Airports | 256 |
| AS55909 | National Institute of Technology, Kochi College | 256 |
| AS134827 | EY Business Initiative Co., Ltd | 256 |
| AS24287 | National Institute of Informatics | 256 |
| AS58786 | GMO Internet,Inc | 256 |
| AS55373 | Foundation for Biomedical Research and Innovation | 256 |
| AS55949 | Technopro Holdings | 256 |
| AS131951 | Suzuyo Shinwart Corporation | 256 |
| AS58525 | Yahoo! Tokyo office | 256 |
| AS38658 | LIQUIDNET ASIA LIMITED | 256 |
| AS38237 | Root Networks, LLC | 256 |
| AS23774 | Japan Registry Service Co., Ltd. | 256 |
| AS135304 | VMWare Incorporation | 256 |
| AS138652 | Super Godzilla Communications GK | 256 |
| AS23761 | Xpedite Systems | 256 |
| AS131913 | Niigata ken | 256 |
| AS140244 | Brian Blevins | 256 |
| AS45678 | ABN AMRO Clearing Tokyo Co., Ltd. | 256 |
| AS9935 | AGNS Customer AS | 256 |
| AS138467 | Yahagi Network Solutions | 256 |
| AS23833 | Marusan Securities Co., LTD. | 256 |
| AS63788 | MOCHIYA Inc. | 256 |
| AS23642 | OBIS | 256 |
| AS63786 | Mercari, Inc. | 256 |
| AS131906 | Gap Japan K.K. | 256 |
| AS23806 | Chupicom Hiroshima Corp. | 0 |
| AS23803 | The University of Tokyo | 0 |
| AS23797 | IXO | 0 |
| AS55748 | 7-9-10 Nishi-Shinjuku | 0 |
| AS55817 | Nippon Telegraph and Telephone Corporation PF Labs | 0 |
| AS131080 | SAKURA Internet Inc. | 0 |
| AS55889 | Equinix Japan Enterprise K.K. | 0 |
| AS9606 | Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency | 0 |
| AS55892 | DNPDC | 0 |
| AS55893 | NTT DATA CORPORATION | 0 |
| AS55896 | Videx Inc. | 0 |
| AS138695 | TOYO Internet Service Co., Ltd. | 0 |
| AS138980 | xconnect | 0 |
| AS138986 | INAP Japan Tokyo Shiohama DC | 0 |
| AS131948 | FORNEXT Inc. | 0 |
| AS9609 | Ymobile Corporation | 0 |
| AS138992 | Blackhole Inc. | 0 |
| AS55903 | Tokyo Stock Exchange, Inc. | 0 |
| AS131947 | Net One Systems Co., Ltd. | 0 |
| AS55906 | Ustream Asia, Inc. | 0 |
| AS55908 | Nomura Research Institute,Ltd. | 0 |
| AS139058 | Acandwitf.com | 0 |
| AS56023 | SmartRams Co., Ltd. | 0 |
| AS56024 | Biz-front Inc | 0 |
| AS56025 | AMY INC | 0 |
| AS56033 | Rakushasu Inc | 0 |
| AS56218 | QGPOP | 0 |
| AS131075 | Nippon Telegraph and Telephone Corporation PF Labs., | 0 |
| AS58535 | MarketPrizm BV | 0 |
| AS9616 | WIDE Project | 0 |
| AS58646 | FreeBit Co.,Ltd. | 0 |
| AS139072 | Wework Singapore Pte. Ltd. | 0 |
| AS10007 | SoftBank Corp. | 0 |
| AS139238 | VMOON | 0 |
| AS131074 | APNIC R&D Centre JP | 0 |
| AS131073 | Telstra Global Internet Services Network Blocks | 0 |
| AS139358 | Kansuiun Co., Ltd | 0 |
| AS1233 | National Space Development Agency | 0 |
| AS10807 | Hitachi Business International, Ltd. | 0 |
| AS10124 | Amazon Data Services Japan KK | 0 |
| AS23748 | Cat Networks K.K. | 0 |
| AS140306 | NTT Ltd Japan Corporation | 0 |
| AS59100 | Kochi Gakuen College | 0 |
| AS59101 | mirai-bs corporation | 0 |
| AS23640 | BBIX,Inc. | 0 |
| AS17938 | SOFTBANK TELECOM Corp. | 0 |
| AS23638 | AMIXCOM Inc. | 0 |
| AS59106 | SKYLINKS INC. | 0 |
| AS131935 | Kamoike.net LLP | 0 |
| AS10033 | iBasis Tokyo ICO | 0 |
| AS59112 | Plus One marketing Ltd. | 0 |
| AS59114 | Recruit Co., Ltd. | 0 |
| AS140506 | Shimada Burazazu Technology LLC | 0 |
| AS140642 | Wasabi Technologies Inc. | 0 |
| AS59119 | HIDATAKAYAMA CABLE NETWORK INC. | 0 |
| AS23625 | TOKAI Communications Corporation | 0 |
| AS140679 | Amatsukaze Network Lab | 0 |
| AS140701 | IDC Legend Corp. | 0 |
| AS23622 | Tsuru Gakuen | 0 |
| AS140868 | TakataSDCC Net | 0 |
| AS140889 | futa.moe | 0 |
| AS213069 | PANYUAN HUANG | 0 |
| AS59130 | NTT Communications Corporation | 0 |
| AS63524 | Equinix Asia Pacific | 0 |
| AS140988 | Rakuten Mobile, Inc. | 0 |
| AS141223 | DNETWORKS LLC | 0 |
| AS141348 | Bayer Holding Ltd. | 0 |
| AS18279 | Bukkyo University | 0 |
| AS141694 | Otaku Limited | 0 |
| AS18277 | Kurashiki University of Science and the Arts | 0 |
| AS63777 | National Institutes of Natural Sciences National Astronomical Observatory of JAPAN | 0 |
| AS63778 | Border Gateway Protocol Network Analysis Project | 0 |
| AS141765 | Blinkload Technology (Japan) Co., Ltd. | 0 |
| AS18270 | Toin University of Yokohama | 0 |
| AS63790 | CyberAgent, Inc. | 0 |
| AS63978 | CJL-JP | 0 |
| AS18269 | Kai Creates Inc. | 0 |
| AS142025 | Game Plus Studio | 0 |
| AS131922 | leafnet Co.,Ltd. | 0 |
| AS10026 | Telstra Global Internet Services Network Blocks | 0 |
| AS7509 | Hokkaido University | 0 |
| AS142052 | Mempool Space K.K. | 0 |
| AS7512 | WITH Network | 0 |
| AS142438 | Kasumi Networks Inc | 0 |
| AS18151 | COMPUTER ENGINEERING & CONSULTING LTD. | 0 |
| AS7515 | NTT Communications Corporation | 0 |
| AS18146 | Intec NetCore, Inc. | 0 |
| AS18138 | SAKURA Internet Inc. | 0 |
| AS17521 | Kochi University of Technology | 0 |
| AS7523 | RICOH JAPAN Corporation | 0 |
| AS17522 | NIPPON TELEGRAPH AND TELEPHONE WEST CORPORATION | 0 |
| AS7526 | Mitsubishi Electric Information Network Corporation | 0 |
| AS17524 | DS Networks | 0 |
| AS17527 | CHITA MEDIAS NETWORK INC. | 0 |
| AS7531 | GenomeNet Project | 0 |
| AS17532 | Tokyo Polytechnic University | 0 |
| AS7661 | Network Organization for Research and Technologyin Hokkaido | 0 |
| AS18122 | Advanced Software Technology & Management Research Institute of KYOTO | 0 |
| AS18095 | Reitaku University | 0 |
| AS17687 | National University Corporation Nagoya University | 0 |
| AS7666 | Mitsubishi Corporation | 0 |
| AS18089 | KDDI Corporation | 0 |
| AS9996 | KDDI Corporation | 0 |
| AS7669 | DIGITAL TECHNOLOGIES CORPORATION | 0 |
| AS131908 | INTEC Inc. | 0 |
| AS17692 | Kyocera Communication Systems Co., Ltd. | 0 |
| AS7673 | ejworks corporation | 0 |
| AS18084 | Telstra Global Internet Services Network Blocks | 0 |
| AS17943 | Tokyo Denki University | 0 |
| AS18082 | Japan Agency for Local Authority Information Systems | 0 |
| AS18080 | Sopiafons Co.,Ltd | 0 |
| AS7683 | trunk inc. | 0 |
| AS17949 | Tokyo University of Technorogy | 0 |
| AS17695 | MLJS | 0 |
| AS131900 | Directorz Co.,Ltd. | 0 |
| AS7688 | Nippon Internet Access Inc. | 0 |
| AS9222 | Intel Online Services Asia | 0 |
| AS9225 | Telstra Global - KK | 0 |
| AS17696 | Okinawa Telecommunication Network Co.,Inc | 0 |
| AS9352 | KuMaGaYaNet | 0 |
| AS17697 | NTT PC Communications, Inc. | 0 |
| AS17795 | Netvein.co.jp | 0 |
| AS17818 | LIR SERVICES LLP | 0 |
| AS17933 | Nippon Telegraph and Telephone East Corporation | 0 |
| AS131161 | NEC Corporation | 0 |
| AS17945 | iTV Co,Ltd | 0 |
| AS131157 | IMS Corporation | 0 |
| AS131154 | NANO OPT Media, Inc. | 0 |
| AS9376 | SMARTVALUE Co.,Ltd. | 0 |
| AS131153 | KVH Co., Ltd. | 0 |
| AS9380 | Community Network Center Inc. | 0 |
| AS133229 | SKIP LLC | 0 |
| AS133027 | ZenLogic Internet Ltd | 0 |
| AS132888 | Freak | 0 |
| AS2524 | EJWORKS CORPORATION | 0 |
| AS132833 | Research Management Ltd. | 0 |
| AS25168 | Mitsui & Co Europe PLC | 0 |
| AS132592 | Star Co,.Ltd. | 0 |
| AS26911 | FREEVERSE CORPORATION | 0 |
| AS2713 | AT&T Jens Corporation | 0 |
| AS131152 | BBIX,Inc. | 0 |
| AS2915 | AT&T Jens Corporation | 0 |
| AS3391 | ASCIInet Corporation | 0 |
| AS132496 | SBI BITS Co., Ltd. | 0 |
| AS3510 | Real World Computing Partnership | 0 |
| AS3775 | Global Network Solutions, IBM Japan, Ltd. | 0 |
| AS133795 | Choopa, LLC | 0 |
| AS37895 | Ryukoku University | 0 |
| AS133869 | SalesForce.com, Inc. | 0 |
| AS37899 | NIPPON TELEGRAPH AND TELEPHONE WEST CORPORATION | 0 |
| AS134396 | BOMBORA TECHNOLOGIES Anycast system | 0 |
| AS37901 | NIPPON TELEGRAPH AND TELEPHONE EAST CORPORATION | 0 |
| AS37902 | Nomura Research Institute, Ltd. | 0 |
| AS134532 | ATT NBE Equinix Tokyo | 0 |
| AS37904 | Softbank Mobile Corp. | 0 |
| AS134606 | Satori Networks | 0 |
| AS37909 | Wakkanai Hokusei Gakuen University | 0 |
| AS132373 | ASIAN-WEB-JP | 0 |
| AS2502 | The University of Tokyo | 0 |
| AS2499 | Japan Network Information Center | 0 |
| AS135573 | mediatti broadband communications | 0 |
| AS132211 | FX Corporate LLC | 0 |
| AS132120 | Internet Systems Consortium | 0 |
| AS136506 | LEON CO.LTD | 0 |
| AS37923 | NTT Communications Corporation | 0 |
| AS37924 | Ministry of Land, Infrastructure and Transport Kinki Regional Development Bureau | 0 |
| AS37925 | USEN CORPORATION | 0 |
| AS37927 | Nomura Researth Institute, Ltd. | 0 |
| AS37981 | TOYO Internet Service Co., Ltd. | 0 |
| AS37982 | Kirin K.K. | 0 |
| AS37984 | Chikushi Jogakuen University, Non-transit AS. | 0 |
| AS38023 | Standard Nekomimi | 0 |
| AS38043 | Sophia Reserch Institute, Ltd. | 0 |
| AS38080 | Foresightwave INC. | 0 |
| AS38215 | Syuhei Uda | 0 |
| AS38222 | Shimane-Japan Internet Exchange | 0 |
| AS38610 | APNIC R&D Centre JP | 0 |
| AS132024 | Rebyc Inc. | 0 |
| AS131987 | MC Digital Realty, Inc. | 0 |
| AS38632 | cross-connect niigata co.,ltd. | 0 |
| AS131986 | ITOCHU Cable Systems Corp. | 0 |
| AS131985 | Maple Audio Technology Corp | 0 |
| AS24273 | CANON INC. | 0 |
| AS38640 | SAKURA Internet Inc. | 0 |
| AS137407 | EIC INC | 0 |
| AS24265 | NTT Communications Corporation | 0 |
| AS38645 | NTT Communications Corporation | 0 |
| AS131106 | AS for DATAHOTEL, which is one of iDC in Japan, | 0 |
| AS38653 | JAPAN POST HOLDINGS Co., Ltd. | 0 |
| AS131983 | suo cablenet corporation | 0 |
| AS38655 | SaiNet Corporation | 0 |
| AS38895 | Amazon.com Tech Telecom | 0 |
| AS38910 | Transit AS Tokyo | 0 |
| AS4251 | TWICS Co. Ltd. | 0 |
| AS45422 | SalesForce.com, Inc. | 0 |
| AS45436 | Green Net Co., Ltd. | 0 |
| AS24256 | SOFTBANK Corp. | 0 |
| AS45673 | Osaka Electro-Communication University | 0 |
| AS45674 | BIGLOBE Inc. | 0 |
| AS9592 | SOFTBANK TELECOM Corp. | 0 |
| AS137875 | ShedDC | 0 |
| AS138038 | Wolf Network Lab | 0 |
| AS45684 | Kyocera Communication Systems Co., Ltd. | 0 |
| AS131980 | KADOKAWA CORPORATION | 0 |
| AS45686 | INTERNET MULTIFEED CO. | 0 |
| AS24114 | Equinix Asia Pacific | 0 |
| AS24056 | Internet Data Centre | 0 |
| AS45689 | Convivial Net | 0 |
| AS24047 | Internet Systems Consortium, Inc. | 0 |
| AS23929 | Ubiquitous Corp. Data Center Network. | 0 |
| AS23926 | JP DC | 0 |
| AS131979 | ZIP Telecom | 0 |
| AS131978 | NTT COMMUNICATIONS CORPORATION | 0 |
| AS131975 | Oedo Telecom Inc | 0 |
| AS4682 | SoftBank Corp. | 0 |
| AS4683 | Phase One, Inc. | 0 |
| AS4684 | NTT PC Communications, Inc. | 0 |
| AS131974 | Cable TV Corporation | 0 |
| AS4688 | Internet Initiative Japan Inc. | 0 |
| AS4690 | WIDE Project | 0 |
| AS4691 | Dream Train Internet Inc. | 0 |
| AS4692 | InternetWare Co., LTD. | 0 |
| AS23831 | NISIOWARI CATV CORPORATION | 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 |
| AS131086 | Densan Co., Ltd. | 0 |
| AS4712 | JAPAN TOBACCO INC. | 0 |
| AS131968 | Mizuho Bank, Ltd | 0 |
| AS4716 | KDDI CORPORATION | 0 |
| AS131085 | Niigata Communication Service | 0 |
| AS23830 | Gaitame.com Co.,Ltd. | 0 |
| AS131967 | Mizuho Bank, Ltd | 0 |
| AS4722 | SoftBank Corp. | 0 |
| AS138181 | Hu's Tech LLC | 0 |
| AS4727 | KYODO PRINTING BUSINESS SOLUTIONS CO.,LTD | 0 |
| AS138328 | Skadden, Arps, Slate, Meagher & Flom LLP | 0 |
| AS131962 | KADOKAWA DWANGO CORPORATION | 0 |
| AS4732 | KDDI CORPORATION | 0 |
| AS131084 | MKI Network Solutions, Ltd. | 0 |
| AS9598 | NTT Communications Corporation | 0 |
| AS9599 | EJWORKS CORPORATION | 0 |
| AS131083 | Mercari, Inc. | 0 |
| AS55372 | University of the Ryukyus | 0 |
| AS55375 | SmartInsight Inc. | 0 |
| AS23815 | Japan Internet Exchange Co., Ltd. | 0 |
| AS131082 | Japan Internet Exchange Co., Ltd. | 0 |
| AS23814 | WIDE Project | 0 |
| AS23813 | SORUN Corporation | 0 |
| AS131956 | NTT Communications Corporation | 0 |
| AS131081 | Intec NetCore, Inc. | 0 |
| AS23811 | SIGA2009 | 0 |
| AS23810 | IC-NET Corporation | 0 |
| AS23809 | Televi Naruto .CO.,LTD | 0 |
| AS138632 | Enmoe Network | 0 |
| AS55389 | Japan Network Enabler Corporation | 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.