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. | 44,921,856 |
| AS4713 | NTT Communications Corporation | 28,899,840 |
| AS2516 | KDDI CORPORATION | 18,765,312 |
| AS2907 | Research Organization of Information and Systems, National Institute of Informatics | 8,620,032 |
| AS17506 | UCOM Corp. | 5,382,144 |
| AS9824 | Jupiter Telecommunication Co. Ltd | 4,745,216 |
| AS38895 | Amazon.com, Inc. | 4,034,816 |
| AS2497 | Internet Initiative Japan Inc. | 3,790,080 |
| AS2518 | BIGLOBE Inc. | 3,674,112 |
| AS2527 | So-net Entertainment Corporation | 3,275,776 |
| AS2510 | FUJITSU LIMITED | 3,220,224 |
| AS17511 | K-Opticom Corporation | 3,135,744 |
| AS9605 | NTT DOCOMO, INC. | 2,658,816 |
| AS4725 | SoftBank Mobile Corp. | 2,219,520 |
| AS2514 | NTT PC Communications, Inc. | 1,871,872 |
| AS10013 | FreeBit Co.,Ltd. | 1,868,800 |
| AS2519 | ARTERIA Networks Corporation | 1,678,848 |
| AS9595 | NTT-ME Corporation | 1,644,544 |
| AS37903 | Ymobile Corporation | 1,491,968 |
| AS10010 | TOKAI Communications Corporation | 1,441,536 |
| AS18126 | Chubu Telecommunications Company, Inc. | 1,299,456 |
| AS9617 | Jupiter Telecommunications Co., Ltd. | 1,163,264 |
| AS4694 | Yahoo Japan Corporation | 980,992 |
| AS4685 | Asahi Net | 905,216 |
| AS7679 | QTnet,Inc. | 696,832 |
| AS4721 | Jupiter Telecommunications Co., Ltd. | 631,808 |
| AS7671 | NTT SmartConnect Corporation | 451,584 |
| AS7522 | STNet, Incorporated | 431,104 |
| AS9365 | its communications Inc. | 404,480 |
| AS18081 | Kintetsu Cable Network Co., Ltd. | 360,448 |
| AS9370 | SAKURA Internet Inc. | 339,456 |
| AS2500 | WIDE Project | 330,240 |
| AS9371 | SAKURA Internet Inc. | 329,728 |
| AS4704 | Rakuten Communications Corp. | 303,104 |
| AS7524 | ITEC HANKYU HANSHIN CO.,LTD. | 286,720 |
| AS2506 | NTT WEST CHUGOKU CORPORATION | 279,808 |
| AS9597 | KDDI Web Communications Inc. | 276,736 |
| AS7684 | SAKURA Internet Inc. | 273,408 |
| AS10026 | PACNET | 264,448 |
| AS4673 | NTT DATA CORPORATION | 258,048 |
| AS7506 | GMO Internet,Inc | 248,576 |
| AS2522 | Japan Network Information Center | 229,120 |
| AS18144 | Energia Communications,Inc. | 204,800 |
| AS2501 | The University of Tokyo | 200,704 |
| AS23793 | National Institute of Advanced Industrial Science and Technology | 199,936 |
| AS7514 | Computer Engineering & Consulting, Ltd. | 194,560 |
| AS7687 | TOYOTA DIGITAL CRUISE.INCORPORATED | 194,560 |
| AS10021 | KVH Co.,Ltd | 193,280 |
| AS9354 | Community Network Center Inc. | 185,856 |
| AS4686 | BEKKOAME INTERNET INC. | 179,456 |
| AS17941 | Equinix Jpapan Enterprise K.K. | 167,936 |
| AS9374 | EDION Corporation | 165,888 |
| AS17698 | COMMUNITY NETWORK CENTER INCORPORATED. | 153,600 |
| AS9351 | ZTV CO.,LTD | 151,552 |
| AS17529 | COMMUNITY NETWORK CENTER INC. | 143,360 |
| AS7670 | Energia Communications, Inc. | 142,336 |
| AS18077 | Yamaguchi Cable Vision Co.,Ltd | 135,680 |
| AS9619 | Sony Global Solutions Inc. | 135,168 |
| AS2504 | Kyoto University | 132,096 |
| AS37917 | University of Tsukuba | 132,096 |
| AS17687 | National University Corporation Nagoya University | 131,328 |
| AS38635 | Keio University | 131,072 |
| AS17516 | NTT COMWARE CORPORATION | 131,072 |
| AS4729 | Japan Atomic Energy Agency | 131,072 |
| AS24297 | Osaka Prefecture University | 131,072 |
| AS24572 | Yahoo Japan. | 119,808 |
| AS7516 | Tohoku Intelligent Telecommunication Co., Inc. | 119,040 |
| AS17707 | AS for DATAHOTEL, which is one of iDC in Japan, | 115,968 |
| AS3488 | Information Systems Department, Japan Aerospace Exploration Agency | 115,200 |
| AS2554 | Yahoo Japan Corporation | 107,520 |
| AS45684 | Kyocera Communication Systems Co., Ltd. | 102,400 |
| AS9614 | Oita Cable Telecom Co,ltd. | 100,352 |
| AS59108 | KATCH NETWORK INC. | 98,304 |
| AS4678 | Canon IT Solutions Inc. | 95,232 |
| AS4675 | UNIADEX, LTD. | 94,208 |
| AS9993 | ITOCHU Techno-Solutions Corporation | 91,136 |
| AS131932 | JR East Information Systems Company | 90,112 |
| AS24282 | KAGOYA JAPAN Inc. | 89,344 |
| AS18097 | D.C.N. Corporation | 88,576 |
| AS9600 | So-net Corporation | 82,944 |
| AS18260 | EHIME CATV CO.,LTD. | 80,896 |
| 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 |
| AS17534 | NSK Co.,Ltd. | 72,704 |
| AS23781 | Toyama University | 72,704 |
| AS17509 | STARNET Co.,Ltd. | 71,680 |
| AS9615 | TOYOHASHI CABLE NETWORK INC. | 71,680 |
| AS17673 | MITSUI KNOWLEDGE INDUSTRY CO., LTD. | 71,680 |
| AS18082 | Japan Agency for Local Authority Information Systems | 69,632 |
| AS24276 | Jupiter Telecommunications Co., Ltd. | 69,632 |
| AS18271 | Sojitz Systems Corporation | 69,632 |
| AS10000 | Nagasaki Cable Media Inc. | 69,632 |
| AS17947 | SAKURA KCS Corporation. | 69,632 |
| AS23820 | Rakuten,Inc. | 69,632 |
| AS37918 | Nippon Telegraph and Telephone Corporation | 69,376 |
| AS55391 | INTERNET MULTIFEED CO. | 68,608 |
| AS131921 | GMO CLOUD K.K. | 68,352 |
| AS23720 | Rakuten Communications K.K. | 68,096 |
| AS2526 | Unified IT Platform Office. IT Services Division. HITACHI,Ltd. | 67,584 |
| AS23816 | Yahoo Japan Corporation | 67,584 |
| AS4730 | Osaka University | 67,584 |
| AS17961 | mitene internet co., ltd. | 67,584 |
| AS38628 | HIMEJI CABLE TELEVISION CORPORATION | 66,560 |
| AS24261 | Mie University | 66,304 |
| AS17932 | Japan Advanced Institute of Science and Technology | 65,792 |
| AS17944 | Japan Weather Association | 65,792 |
| AS18124 | Okayama University of Science | 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 |
| AS9357 | NRI SecureTechnologies, Ltd. | 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 |
| 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 |
| AS4677 | Marubeni OKI Network Solutions Inc. | 65,536 |
| AS45673 | Osaka Electro-Communication University | 65,536 |
| AS38654 | INES Corporation. | 65,536 |
| AS38641 | Osaka Sangyo University | 65,536 |
| AS37919 | SEGA Holdings Co., Ltd. | 65,536 |
| AS37910 | Chubu University | 65,536 |
| AS2513 | Japan Science and Technology Agency | 65,536 |
| AS2508 | Kyushu University | 65,536 |
| AS17510 | INFORMATION SERVICES INTERNATIONAL - DENTSU, LTD. | 65,536 |
| AS17512 | Japan Airlines International Co., Ltd. | 65,536 |
| AS17523 | Aoyama Gakuin University | 65,536 |
| AS24275 | TOTO LTD. | 65,536 |
| AS24273 | CANON INC. | 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 |
| AS17701 | Seinan Gakuin University | 65,536 |
| AS23779 | NTT Communications Corporation | 65,536 |
| AS17946 | Gifu University | 65,536 |
| AS23623 | Chuo University | 65,536 |
| AS23615 | University of Shizuoka | 65,536 |
| AS17956 | WASEDA University | 65,536 |
| AS18276 | Kansai University | 65,536 |
| AS17960 | University of the Ryukyus | 65,536 |
| AS18268 | Naganoken Kyodou Densan Co.Ltd. | 65,536 |
| AS18069 | SOFTBANK TECHNOLOGY CORP. | 65,536 |
| AS18148 | Fukuoka University | 65,536 |
| AS18128 | RIKEN(Physical and Chemical Research Institute) | 65,536 |
| AS18125 | Ministry of Agriculture, Forestry and Fisheries Research Network | 65,536 |
| AS18087 | Toyo University | 65,536 |
| AS7672 | Hokuden Information System Service Co.,Ltd. | 64,512 |
| AS17686 | ACCELIA | 63,488 |
| AS7511 | SYNAPSE Co.,Ltd. | 63,488 |
| AS17939 | miyazaki cabletelevision network Co.,LTD | 59,392 |
| AS10006 | SECOM Trust Systems Co.,Ltd. | 58,368 |
| AS4723 | Dolphin | 57,344 |
| AS59127 | Newmedia Corporation | 55,296 |
| AS23791 | LCV Corporation | 52,224 |
| AS9622 | Kurashiki Cable TV | 51,200 |
| AS24295 | Internap Japan Co.,Ltd. | 50,176 |
| AS4680 | Mitsubishi Electric Information Network Corporation | 49,664 |
| AS17675 | Internap Japan Co.,LTD. | 49,408 |
| AS37892 | Cable Media WAIWAI Co.,Ltd. | 49,152 |
| AS24296 | Yahoo Japan Corporation | 49,152 |
| AS55387 | Japan Communication Inc. | 49,152 |
| AS18278 | Cable TV Corporation | 47,104 |
| AS18282 | TONAMI Internet Service(TONAMI TransportationCo.,Ltd.) | 46,592 |
| AS4693 | CSK-IT MANAGEMENT CORPORATION | 45,056 |
| AS18092 | Kyushu Tele Communications Company | 45,056 |
| AS9378 | Jupiter Telecommunications Co., Ltd. | 45,056 |
| AS23637 | Equinix Jpapan Enterprise K.K. | 45,056 |
| AS23785 | SUN FIELD INTERNET LIMITED | 45,056 |
| AS2512 | TCP Inc. | 43,264 |
| AS18136 | Jupiter Telecommunications Co., Ltd. | 43,008 |
| AS38631 | LINE Corporation | 42,752 |
| AS2511 | NTT | 41,728 |
| AS7690 | Mirai Communication Network Inc. | 41,472 |
| AS7676 | TAM-Internet Service (T.A.M Co., Ltd.) | 39,936 |
| AS17530 | Nihon Network Service Co, .Ltd. | 38,912 |
| AS18135 | BTV Cable Television CO.,LTD. | 38,912 |
| AS38634 | DWANGO Co.,Ltd. | 36,864 |
| AS10003 | Ogaki Cable Television Co.,Inc. | 36,864 |
| AS9998 | ISAO Corporation | 36,864 |
| AS10001 | Mics Network Corporation | 36,864 |
| AS7682 | HOKKAIDO TELECOMMUNICATIONS NETWORK Co., Inc. | 35,840 |
| AS38462 | Osaki Computer Engineering Co.Ltd | 35,328 |
| AS17955 | Densan Co., Ltd. | 34,816 |
| AS131915 | Hamamatsu Cable Television .Inc | 34,816 |
| AS10019 | Matsusaka Cable-TV Station Inc. | 34,816 |
| AS59121 | Asahi Kasei Networks Corporation | 33,024 |
| AS58793 | NIFTY Corporation | 33,024 |
| AS18150 | NetComBB Co.,Ltd. | 32,768 |
| AS10015 | Cyber Wave Japan Co., Ltd. | 31,488 |
| AS18134 | Jupiter Telecommunications Co., Ltd. | 29,696 |
| AS59092 | kronos.Co.,Ltd. | 29,440 |
| AS7668 | Hokuriku Telecommunication Network Co. | 29,184 |
| AS9607 | BroadBand Tower, Inc. | 29,184 |
| AS18068 | Dream Wave Shizuoka Co. Ltd. | 29,184 |
| AS23783 | Cable Networks Akita Co.,ltd. | 28,416 |
| AS23629 | Obihiro City Cable Co.,Ltd. | 27,136 |
| AS131927 | TV Matsumoto Cablevision | 26,624 |
| AS23624 | Chukai Television Co,.Ltd. | 26,624 |
| AS17504 | NRI Netcom, Ltd. | 26,624 |
| AS55394 | GREE, Inc. | 26,624 |
| AS24255 | Tannan Cable Television Corporation | 25,600 |
| AS10004 | JIN Office Service Inc. | 25,088 |
| AS17950 | SaiNet | 24,576 |
| AS56291 | Ace, Inc. | 24,576 |
| AS24249 | JWAY co., Ltd. | 24,576 |
| AS10002 | IGAUENO CABLE TELEVISION CO.,LTD | 24,576 |
| AS23788 | Jupiter Telecommunications Co., Ltd. | 24,576 |
| AS9601 | Niigata Communication Service | 24,576 |
| AS23661 | CLARA ONLINE, Inc. | 24,576 |
| AS10012 | Rakuten Communications Corp. | 24,576 |
| AS18121 | Ishikawa Computer Center Co.,LTD. | 24,064 |
| AS17682 | 296 BROAD NET Com Inc | 23,552 |
| AS132827 | GATEWAY INC | 23,296 |
| AS23786 | San-in Cable Vision CO.,LTD | 22,528 |
| AS131934 | ICC Corporation | 22,528 |
| AS17691 | NDS Co., Ltd. | 21,504 |
| AS55900 | GLBB Japan KK | 21,504 |
| AS23777 | NTT BUSINESS SOLUTIONS CORPORATION | 20,992 |
| AS135573 | mediatti broadband communications | 20,992 |
| AS9466 | UUNET Japan Limited | 20,736 |
| AS9999 | AT TOKYO Corporation | 20,480 |
| AS131916 | Tokyo Bay Network Co.,Ltd. | 20,480 |
| AS131918 | SHONAN CABLE NETWORK | 20,480 |
| AS18267 | Doshisha University | 20,480 |
| AS24278 | USEN CORPORATION | 20,480 |
| AS45675 | Jupiter Telecommunications Co., Ltd. | 20,480 |
| AS4695 | Energia Communications, Inc. | 20,480 |
| AS18129 | OKAYAMA NETWORK INC. | 19,456 |
| AS55392 | INTERNET MULTIFEED CO. | 19,456 |
| AS59109 | Hitachi,Ltd., Cloud services Division | 19,456 |
| AS18283 | Fureai Channel Inc. | 19,456 |
| AS17957 | SOUTH TOKYO CABLETELEVISION | 19,456 |
| AS10011 | advanscope.inc | 18,432 |
| AS24277 | Okinawa Cable Network Inc. | 18,432 |
| AS23784 | SQUARE ENIX CO., LTD. | 18,432 |
| AS23790 | Jupiter Telecommunications Co., Ltd. | 18,432 |
| AS18274 | Utsunomiya Cable TV Corporation | 18,432 |
| AS9997 | Suzuka Cable Co.,Ltd | 17,920 |
| AS23627 | UEDA CABLE VISION CO.,LTD. | 17,408 |
| AS63770 | Industrial Cyber Security Center of Excellence | 17,408 |
| AS17958 | Kasaoka Cable Vision Co,LTD. | 17,408 |
| AS18094 | Tokyo Cable Network.,INC | 17,408 |
| AS4711 | INTEC Inc. | 17,408 |
| AS18071 | Panasonic Corporation Corporate Information Systems Company | 16,640 |
| AS23635 | CRCCMedia Co.,ltd | 16,384 |
| AS23780 | CTB Media Inc. | 16,384 |
| AS55910 | Shibaura Institute of Technology | 16,384 |
| AS7503 | Air Internet Service Co.,Ltd. | 16,384 |
| AS9618 | catv-tokushima | 16,384 |
| AS7505 | Fujitsu Systems Applications & Support Limited | 16,384 |
| AS18085 | Fujitsu Systems Applications & Support Limited | 16,384 |
| AS17683 | Wingtechnology Communications, Inc. | 16,384 |
| AS55384 | Japan Advanced Institute of Science and Technology | 16,384 |
| AS24271 | Iruma CATV co. | 16,384 |
| AS7523 | RICOH JAPAN Corporation | 15,872 |
| AS131899 | DIG Inc. | 15,616 |
| AS23778 | IMIZU CABLE NETWORK CO.,LTD. | 15,360 |
| AS24259 | kanuma cable television Corporation | 14,336 |
| AS9604 | FUJI SOFT INCORPORATED | 14,336 |
| AS17936 | Cable Television Kani Co.,Inc. | 14,336 |
| AS17931 | Netforest,Inc. | 14,336 |
| AS23808 | TOSHIMA CABLE NETWORK CO.,LTD | 14,336 |
| AS23805 | Watarase Television Co.,Ltd | 14,336 |
| AS7677 | Dai Nippon Printing Co., Ltd | 13,568 |
| AS18070 | Global Network Core Co.,Ltd. | 13,312 |
| AS24251 | Iwakuni Cable Network Corporation | 13,312 |
| AS63997 | Tsukaeru.net KK | 13,056 |
| AS58650 | Warabi Cable Vision Co., Ltd. | 12,800 |
| AS23817 | Fujitsu Limited. | 12,288 |
| AS18281 | Tokoname New-TV Corporation | 12,288 |
| AS18075 | Chupicom Hiroshima Corp. | 12,288 |
| AS18266 | Datacore Works Co.,Ltd. | 12,288 |
| AS55388 | ASJ INC. | 12,288 |
| AS18142 | KISTEM Co., Ltd. | 12,288 |
| AS23628 | Academic newtown Community Cable Service | 12,288 |
| AS23632 | TVT Tsuyama Co.,Ltd. | 12,288 |
| AS59125 | FAMILY NET JAPAN INCORPORATED | 11,520 |
| AS23818 | JETINTERNET Corporation | 11,520 |
| AS131925 | FAMILY NET JAPAN INCORPORATED | 11,264 |
| AS17661 | NHN Techorus Corp. | 11,264 |
| AS38639 | NTT Communications Corporation | 11,264 |
| AS59107 | Hachinohe Cable Television Co. | 10,240 |
| AS131926 | Cable Television Saiki Co. , Ltd. | 10,240 |
| AS55385 | Digital Alliance Co.,Ltd. | 10,240 |
| AS55381 | CITY-CABLE SHUNAN Corporation | 10,240 |
| AS131931 | Aomori Cable TV Co., Ltd. | 10,240 |
| AS17696 | Okinawa Telecommunication Network Co.,Inc | 10,240 |
| AS17689 | Hokuden Information Technology,Inc. | 9,728 |
| AS24284 | CyberAgent, Inc. | 9,728 |
| AS131911 | HONJYO CABLE VISION CO., LTD. | 9,216 |
| AS37922 | Cable TV Yamagata Co.,Ltd. | 9,216 |
| AS23775 | Tamashima TV Inc. | 9,216 |
| AS7664 | Sanyo Computer Corp.Inc | 9,216 |
| AS24279 | SENDAI CATV CO.,LTD. | 9,216 |
| AS132418 | Outscale SAS | 9,216 |
| AS45677 | Isahaya Cable Television Co.,Inc. | 9,216 |
| AS9621 | Okinawa Telecommunication Network Co.,Inc | 9,216 |
| AS132726 | SanyuNet corp. | 8,704 |
| AS37908 | KIBI Cable Television Co.,Ltd. | 8,704 |
| AS173 | Electrical Communications Laboratories | 8,704 |
| AS17678 | Gunma Internet Co,.ltd | 8,704 |
| AS18258 | Morgan Stanley Japan Limited | 8,448 |
| AS38043 | Sophia Reserch Institute, Ltd. | 8,192 |
| AS4719 | Onkyo Corporation | 8,192 |
| AS7678 | Prox System Design Inc. | 8,192 |
| AS2523 | JSPS 163rd Committee on Internet Technology | 8,192 |
| AS9358 | Kanden Information Systems Company,Incorporated | 8,192 |
| AS7665 | Okayama Prefectural Government | 8,192 |
| AS17677 | UCOM Corporation | 8,192 |
| AS7663 | FUJIMIC INC. | 8,192 |
| AS59096 | Meiji Gakuin University | 8,192 |
| AS23618 | Ibara Broadcasting Company | 8,192 |
| AS23619 | SMARTVALUE Co.,Ltd. | 8,192 |
| AS4672 | IBM Japan, Ltd. | 8,192 |
| AS7521 | INTERNET MULTIFEED CO. | 8,192 |
| AS131938 | NISSAN MOTOR CO.,LTD. | 8,192 |
| AS17518 | Shiojiri City | 8,192 |
| AS17940 | CYBER LINKS Co.,Ltd. | 8,192 |
| AS24336 | DIGITALBANK, Inc., Regional ISP in Japan | 8,192 |
| AS55899 | LEON TECHNOLOGY, Inc. | 8,192 |
| AS131933 | TAMA Television Co., Ltd | 8,192 |
| AS7686 | Technology Networks Inc. | 8,192 |
| AS17694 | Deutsche Bank Group, Japan BGP connection | 8,192 |
| AS23804 | Nonprofit Organization Kitaura Hana Net | 8,192 |
| AS59091 | Kanagawa Institute of Technology | 8,192 |
| AS23796 | NTT Service Evolution Laboratories | 8,192 |
| AS23620 | DooGA Co., Ltd. | 7,680 |
| AS9352 | KuMaGaYaNet | 7,424 |
| AS17948 | EditNet, Incorporated | 7,168 |
| AS17693 | YAMATO SYSTEM DEVELOPMENT CO., LTD. | 7,168 |
| AS23822 | Hagi Cable Network Co., Ltd | 7,168 |
| AS18264 | Seikei Eizo Network Inc. | 7,168 |
| AS23829 | NTT NEOMEIT YAMAGUCHI CORPORATION | 6,912 |
| AS17505 | SOFTBANK MOBILE Corp. | 6,656 |
| AS63772 | extride inc. | 6,400 |
| AS131893 | RICOH Company, Ltd. | 6,400 |
| AS38715 | Regional-IX ASN Tottori pref Japan. | 6,400 |
| AS24289 | Kagawa T.V Broadcast Network Co,.Ltd | 6,144 |
| AS18088 | Kyuden Infocom Company Inc | 6,144 |
| AS9353 | MEDIAWARS co.,ltd. | 6,144 |
| AS23827 | Azumino Network Community TV | 6,144 |
| AS17680 | SCSK Corporation | 6,144 |
| AS23639 | NTT Bizlink, Inc. | 6,144 |
| AS7517 | ICOMT Inc. | 6,144 |
| AS24290 | Heart Network Co.,LTD | 6,144 |
| AS23641 | NS Computer Service Corporation | 6,144 |
| AS24512 | HAL Internet, Internet Service Provider, Tottori, Japan | 6,144 |
| AS59094 | esu2 Corporation | 6,144 |
| AS23613 | New Media Tokushima Co.,ltd. | 6,144 |
| AS23776 | NEC Corporation | 6,144 |
| AS131923 | Mihara Cable Television Ltd. | 6,144 |
| AS23631 | Sofu System, Inc | 6,144 |
| AS17937 | NIKKEI ADVANCED SYSTEMS INC. | 5,376 |
| AS7529 | NetIRD Inc. | 5,376 |
| AS7660 | Asia Pacific Advanced Network - Japan | 5,376 |
| AS24270 | CRC Solutions Corp., | 5,120 |
| AS37907 | DigiRock, Inc. | 5,120 |
| AS23614 | Kochi Systems Co., Ltd. | 5,120 |
| AS37916 | A.T.WORKS,Inc. | 5,120 |
| AS55376 | KCV communications CO.,LTD. | 5,120 |
| AS58788 | Chiroro-Net Co.,Ltd. | 5,120 |
| AS38638 | Ip Core Corporation | 5,120 |
| AS38651 | Mixi,Inc. | 5,120 |
| AS135401 | SAP | 5,120 |
| AS45687 | Minamikyusyu CableTV Net Inc. | 5,120 |
| AS18259 | NTT Communications Corporation | 5,120 |
| AS17685 | SQUARE ENIX CO., LTD. | 4,864 |
| AS37897 | AXEL NETWORKS, INC. | 4,608 |
| AS37914 | Advanced Software Technology and Management Research Institute of KYOTO | 4,608 |
| AS136782 | Kirin Networks | 4,608 |
| AS55912 | University of Kochi | 4,352 |
| AS132095 | HEWLETT PACKARD-SHINSUNA COLO | 4,352 |
| AS38652 | Ginzado Co.,Ltd. | 4,096 |
| AS23798 | VR Techno Center,inc | 4,096 |
| AS23795 | Fitec Corp. | 4,096 |
| AS23794 | Club iT Corporation | 4,096 |
| AS17699 | MEDiA K.K. | 4,096 |
| AS17934 | National Institute of Information and Communications Technology | 4,096 |
| AS23824 | Future Spirits Co.,Ltd. | 4,096 |
| AS23773 | EKZM co.,ltd. | 4,096 |
| AS23836 | RELATION Co., Ltd. | 4,096 |
| AS55889 | Equinix Jpapan Enterprise K.K. | 4,096 |
| AS23967 | Produce On Demand Inc. Streaming Contents Delivery Service Tokyo | 4,096 |
| AS18086 | PFU LIMITED | 4,096 |
| AS7527 | Japan Internet Exchange Co., Ltd. | 4,096 |
| AS18383 | CAHI Corporation | 4,096 |
| AS18290 | Mimedia Corporation | 4,096 |
| AS24264 | Kanazawa Institute of Technology | 4,096 |
| AS9990 | Nippon Information and Communication Corporation | 4,096 |
| AS18289 | AT&T JAPAN KK | 4,096 |
| AS17953 | BroadBand Security, Inc. | 4,096 |
| AS10016 | Minaminihon Information Processing Center Co Ltd | 4,096 |
| AS132119 | BNP Paribas | 4,096 |
| AS18067 | Humeia Corporation | 4,096 |
| AS18265 | ZEXIS CORPORATION | 4,096 |
| AS18263 | MEITETSUCOM Co., Ltd. | 4,096 |
| AS18146 | Intec NetCore, Inc. | 4,096 |
| AS18074 | First Riding Technology Inc. | 4,096 |
| AS18143 | Mitsubishi Research Institute DCS Co.,Ltd. | 4,096 |
| AS18141 | HBA | 4,096 |
| AS45690 | Tokushima Central TV Co.,Inc. | 4,096 |
| AS18140 | Yahoo Japan Corporation | 4,096 |
| AS9363 | FUJITSU KANSAI-CHUBU NET-TECH LIMITED | 4,096 |
| AS17513 | Kids-way Corporation | 4,096 |
| AS37898 | digitiminimi, inc. | 4,096 |
| AS45672 | Koga Cable TV Co., Ltd. | 4,096 |
| AS59102 | GENES Co., Ltd. | 4,096 |
| AS38633 | Value Core Inc. | 4,096 |
| AS59103 | SoftEther Corporation | 3,840 |
| AS45688 | The University of Tokyo Interfaculty Initiative in Information Studies | 3,584 |
| AS18127 | Ibaraki Prefectural Government | 3,584 |
| AS133027 | ZenLogic Internet Ltd | 3,584 |
| AS23748 | Cat Networks K.K. | 3,584 |
| AS55902 | TS-NET of TOSET, Inc. in Japan | 3,328 |
| AS4785 | xTom Limited | 3,328 |
| AS45680 | DOVA Corporation | 3,328 |
| AS58791 | GMO Internet,Inc | 3,072 |
| AS37915 | Wakayama Prefectural Government | 3,072 |
| AS23616 | Hitachi Information Systems, Ltd. | 3,072 |
| AS59116 | American International Group KK | 3,072 |
| AS58653 | UD Trucks Corporation, Volvo Information Technology Japan | 3,072 |
| AS45846 | Shiga area POP AS Number | 3,072 |
| AS23828 | Misaki Town | 3,072 |
| AS18211 | Nomura India Services Pvt Ltd | 3,072 |
| AS2515 | Japan Network Information Center | 2,816 |
| AS37900 | NTT Communications Corporation | 2,560 |
| AS55898 | Yahoo Japan Corporation | 2,560 |
| AS38627 | Baidu, Inc. | 2,560 |
| AS136407 | Virtustream Cloud Services Australia Pty Limited | 2,560 |
| AS55569 | Criteo Corp | 2,560 |
| AS59118 | NRI SecureTechnologies, Ltd. | 2,560 |
| AS37891 | JR TOKAI Information Systems Company | 2,560 |
| AS137445 | PF LINK SYSTEMS | 2,560 |
| AS45682 | Excite Japan Co., Ltd. | 2,304 |
| AS18072 | NTT Communications, Corp. | 2,304 |
| AS131936 | UNIVERSAL MUSIC LLC | 2,304 |
| AS24229 | IX-layers, Inc. | 2,304 |
| AS24121 | Equinix Asia Pacific | 2,304 |
| AS18090 | IMS Corporation | 2,048 |
| AS18076 | Institute of Advanced Media Arts and Sciences | 2,048 |
| AS18272 | Benesse InfoShell Co.,Ltd | 2,048 |
| AS23633 | Niigata Communication Service | 2,048 |
| AS24250 | Miyagin Computer Service Co.,ltd | 2,048 |
| AS24253 | J-Stream Inc. | 2,048 |
| AS24262 | HAMANASU INFORMATION Co., Ltd. | 2,048 |
| AS24265 | NTT Communications Corporation | 2,048 |
| AS24286 | Weathernews,Inc. | 2,048 |
| AS24288 | Accutechs Co., Ltd. | 2,048 |
| AS37912 | IPRIO Corporation. | 2,048 |
| AS38642 | Yoshizou XYZ Solutions | 2,048 |
| AS55383 | YYY Group, Inc. | 2,048 |
| AS55393 | Midokura Japan K.K. | 2,048 |
| AS131929 | Yamanashi CATV Co,. ltd | 2,048 |
| AS58784 | Rissho University | 2,048 |
| AS131928 | Tottori Teletopia Co., Ltd. | 2,048 |
| AS59095 | ACCELIA | 2,048 |
| AS59101 | mirai-bs corporation | 2,048 |
| AS59112 | Plus One marketing Ltd. | 2,048 |
| AS59117 | RBNET Co.,Ltd. | 2,048 |
| AS59123 | Kakaku.com, Inc. | 2,048 |
| AS59126 | NCT CO.,LTD. | 2,048 |
| AS59129 | LogicLinks, Inc. | 2,048 |
| AS7530 | BroadBand Tower, Inc. | 2,048 |
| AS131907 | Iwami Cablevision Co.,Ltd. | 2,048 |
| AS38643 | UNIADEX, LTD. | 1,792 |
| AS131914 | datadockInc. | 1,792 |
| AS137912 | Global Broadband K.K | 1,792 |
| AS136506 | LEON CO.LTD | 1,792 |
| AS37889 | J-PARC Center | 1,792 |
| AS23799 | National Defense Academy | 1,792 |
| AS4697 | NTT PF Labs | 1,792 |
| AS134396 | AusRegistry Anycast system | 1,536 |
| AS132504 | QUALITIA Co.,Ltd | 1,536 |
| AS38636 | DeNA, Co. Ltd. | 1,536 |
| AS133203 | SBI BITS Co., Ltd. | 1,536 |
| AS18123 | INAOKI EDUCATIONAL INSTITUTION | 1,536 |
| AS18139 | Hitachi Solutions, Ltd. | 1,536 |
| AS24280 | Hitachi Systems, Ltd. | 1,536 |
| AS4710 | NTT | 1,536 |
| AS7674 | NTT Communications Corporation | 1,280 |
| AS38629 | NTT Communications Corporation | 1,280 |
| AS131904 | Cyber Feel Inc | 1,280 |
| AS136574 | Zheye Networks | 1,280 |
| AS58648 | AT-I, Inc. | 1,280 |
| AS7667 | KDDI R&D Laboratories, INC. | 1,280 |
| AS23826 | Daido University | 1,024 |
| AS54415 | WIZ TECHNOLOGIES | 1,024 |
| AS4774 | A-Bone by Internet Initiative Japan Inc. | 1,024 |
| AS131942 | Gurunavi, Inc. | 1,024 |
| AS4718 | Cyber Kansai Project | 1,024 |
| AS18149 | Japan Registry Service Co., Ltd. | 1,024 |
| AS131160 | Wire and Wireless Co.,Ltd. | 1,024 |
| AS131896 | SSI Lab Inc. | 1,024 |
| AS131901 | FIDESSA KK | 1,024 |
| AS131905 | Japan Registry Services Co., Ltd. | 1,024 |
| AS136178 | FIL Japan Holdings K.K. | 1,024 |
| AS131909 | Okinawa Data Center | 1,024 |
| AS38648 | F-REGI Co.,Ltd. | 1,024 |
| AS138033 | BBIX, Inc | 1,024 |
| AS63771 | Border Gateway Protocol Network Analysis Project | 1,024 |
| AS18091 | Teikyo University | 1,024 |
| AS59122 | Ranger-Systems Co., Ltd. | 1,024 |
| AS131920 | WirelessGate, Inc. | 1,024 |
| AS133476 | First Innovation K.K. | 1,024 |
| AS59110 | BPS Inc. | 1,024 |
| AS59105 | Home NOC Operators Group | 1,024 |
| AS59099 | BroadBand Tower, Inc. | 1,024 |
| AS59097 | Okinawa Cross Head Co., Ltd. | 1,024 |
| AS45676 | SBI TradeWinTech Co.,Ltd. | 1,024 |
| AS59093 | IMABARI CATV CORPORATION | 1,024 |
| AS58792 | WirelessGate, Inc. | 1,024 |
| AS58789 | DUNAMIS Co.,Ltd | 1,024 |
| AS24477 | Netapp inc. | 1,024 |
| AS58654 | BLESS Co.,Ltd. | 1,024 |
| AS58645 | Miyagi Cable TV Co.,Ltd | 1,024 |
| AS24263 | HONDA MOTOR Co., Ltd. | 1,024 |
| AS23885 | Oracle Corporation | 1,024 |
| AS55896 | Videx Inc. | 1,024 |
| AS55894 | Who's Next | 1,024 |
| AS55891 | WATCH TOWER BIBLE AND TRACT SOCIETY | 1,024 |
| AS55890 | Suntory Business Expert Limited | 1,024 |
| AS131939 | IPS INC | 1,024 |
| AS55382 | Nagato city office | 1,024 |
| AS131941 | Entsu Co.,Ltd. | 1,024 |
| AS55378 | QUICK Corp. | 1,024 |
| AS131910 | SORACOM. INC. | 1,024 |
| AS131912 | Cybozu,Inc. | 1,024 |
| AS7500 | WIDE Project | 1,024 |
| AS63774 | Kamoike.net LLP | 1,024 |
| AS37888 | HORIBA, Ltd. | 768 |
| AS10209 | Japan HUB and Data Center | 768 |
| AS24283 | MIEDEN SYSTEM SOLUTION .LTD | 768 |
| AS206689 | Beeks Financial Cloud Ltd | 768 |
| AS55907 | GMO Internet,Inc | 768 |
| AS37893 | TradeWeb Europe Limited | 768 |
| AS38033 | Yahoo Inc. | 768 |
| AS55905 | TOP CLOUD Inc. | 768 |
| AS55873 | Shiodome City Center 15F | 512 |
| AS38658 | LIQUIDNET ASIA LIMITED | 512 |
| AS55396 | NRI SecureTechnologies, Ltd | 512 |
| AS59120 | Tsukuba Internet Service Corporation | 512 |
| AS45139 | Microsoft Corp | 512 |
| AS137001 | OSOA Co.,LTD. | 512 |
| AS45691 | Elliott Advisors Asia Limited | 512 |
| AS131158 | Nara Institute of Science and Technology, National University Corporation | 512 |
| AS131155 | NTT Communications Corporation | 512 |
| AS132451 | 2142-1;KUKIOKA;MAEDA; | 512 |
| AS24291 | MITSUI & CO., LTD. | 512 |
| AS7661 | Network Organization for Research and Technologyin Hokkaido | 512 |
| AS4717 | WIDE Project | 512 |
| AS55895 | N.S.Computer Service Co.,Ltd. | 512 |
| AS24257 | Japan Internet Exchange Co., Ltd. | 512 |
| AS137462 | Rakuten Communications K.K. | 512 |
| AS63917 | Amway Japan G.K | 512 |
| AS24260 | Board of trusty: Kinjo-Gakuen | 512 |
| AS136779 | Schneider Electric Japan Ltd | 512 |
| AS133782 | Elsevier Ltd | 512 |
| AS37905 | Brastel Co.,Ltd | 256 |
| AS137008 | 1120 Shimokuzawa Chuo-ku Sagamihara-shi Kanagawa-ken | 256 |
| AS135304 | VMWare Incorporation | 256 |
| AS134827 | EY Business Initiative Co., Ltd | 256 |
| AS137819 | Beeks Financial Cloud (Japan) | 256 |
| AS133900 | Gilead Sciences, Inc. | 256 |
| AS45217 | Tora Trading Services Ltd. | 256 |
| AS45678 | ABN AMRO Clearing Tokyo Co., Ltd. | 256 |
| AS24287 | National Institute of Informatics | 256 |
| AS4777 | Asia Pacific Network Information Centre | 256 |
| AS24274 | Actelion Pharmaceuticals Japan Ltd. | 256 |
| AS55373 | Foundation for Biomedical Research and Innovation | 256 |
| AS55377 | Sadiatec Co., Ltd | 256 |
| AS18080 | Sopiafons Co.,Ltd | 256 |
| AS24256 | SOFTBANK Corp. | 256 |
| AS24252 | Japan Registry Service Co., Ltd. | 256 |
| AS24047 | Internet Systems Consortium, Inc. | 256 |
| AS23940 | THOMSON FINANCIAL. Financial Content provider.Tokyo | 256 |
| AS23929 | Ubiquitous Corp. Data Center Network. | 256 |
| AS23833 | Marusan Securities Co., LTD. | 256 |
| AS55908 | Nomura Research Institute,Ltd. | 256 |
| AS55909 | Kochi National College of Technology | 256 |
| AS55949 | Technopro Holdings | 256 |
| AS58649 | GMO Internet,Inc | 256 |
| AS58651 | GMO Internet,Inc | 256 |
| AS58786 | GMO Internet,Inc | 256 |
| AS9935 | AGNS Customer AS | 256 |
| AS131924 | Kansai Airports | 256 |
| AS59111 | Akita International University | 256 |
| AS59113 | RICOH JAPAN Corporation | 256 |
| AS59115 | CYBERDYNE Inc. | 256 |
| AS59124 | KYOTO Prefectural Government | 256 |
| AS23774 | Japan Registry Service Co., Ltd. | 256 |
| AS131917 | Toshiba I.S. corp | 256 |
| AS59128 | Kyoto University Microcomputer Club | 256 |
| AS23761 | Xpedite Systems | 256 |
| AS63773 | Birdie Mobile Inc. | 256 |
| AS23642 | OBIS | 256 |
| AS131913 | Niigata ken | 256 |
| AS23634 | WIDE Project | 256 |
| AS18284 | Isetan Data Center Co., Ltd. | 256 |
| AS131906 | Gap Japan K.K. | 256 |
| AS131903 | Nomura Research Institute,Ltd. | 256 |
| AS131895 | Okinawa Institute of science and technology | 256 |
| AS131894 | UNIADEX, LTD. | 256 |
| AS131078 | KDDI R&D Laboratories, INC. | 256 |
| AS37906 | NetIRD Inc. | 256 |
| AS24056 | SINGTEL-EXPAN | 0 |
| AS4683 | Phase One, Inc. | 0 |
| AS9592 | SOFTBANK TELECOM Corp. | 0 |
| AS55748 | MORSE | 0 |
| AS55817 | Nippon Telegraph and Telephone Corporation PF Labs | 0 |
| AS4682 | SoftBank Mobile Corp. | 0 |
| AS131084 | MKI Network Solutions, Ltd. | 0 |
| AS4681 | Yahoo Japan Corporation | 0 |
| AS132592 | Star Co,.Ltd. | 0 |
| AS55893 | NTT DATA CORPORATION | 0 |
| AS132833 | Research Management Ltd. | 0 |
| AS132888 | Freak | 0 |
| AS132906 | EVM Networks | 0 |
| AS55897 | SAKURA Internet Inc. | 0 |
| AS131082 | Japan Internet Exchange Co., Ltd. | 0 |
| AS23926 | Yahoo Inc. | 0 |
| AS131935 | Kamoike.net LLP | 0 |
| AS55901 | Sony Computer Entertainment Inc | 0 |
| AS24292 | NS Solutions Corporation | 0 |
| AS55903 | Tokyo Stock Exchange, Inc. | 0 |
| AS131081 | Intec NetCore, Inc. | 0 |
| AS24293 | FUJITSU SYSTEMS WEST LIMITED | 0 |
| AS55906 | Ustream Asia, Inc. | 0 |
| AS45689 | Convivial Net | 0 |
| AS9598 | NTT Communications Corporation | 0 |
| AS9599 | EJWORKS CORPORATION | 0 |
| AS23831 | NISIOWARI CATV CORPORATION | 0 |
| AS23830 | Gaitame.com Co.,Ltd. | 0 |
| AS131080 | SAKURA Internet Inc. | 0 |
| AS56021 | NetResource corporation | 0 |
| AS56023 | SmartRams Co., Ltd. | 0 |
| AS56024 | Biz-front Inc | 0 |
| AS56025 | AMY INC | 0 |
| AS56029 | CELL INC. | 0 |
| AS56033 | Rakushasu Inc | 0 |
| AS56218 | QGPOP2 | 0 |
| AS17522 | NIPPON TELEGRAPH AND TELEPHONE WEST CORPORATION | 0 |
| AS58535 | MarketPrizm BV | 0 |
| AS17521 | Kochi University of Technology | 0 |
| AS58646 | FreeBit Co.,Ltd. | 0 |
| AS131930 | Tokyo Broadcasting System Television, Inc. | 0 |
| AS45686 | INTERNET MULTIFEED CO. | 0 |
| AS131079 | INTERNET MULTIFEED CO. | 0 |
| AS17692 | Kyocera Communication Systems Co., Ltd. | 0 |
| AS18138 | SAKURA Internet Inc. | 0 |
| AS18131 | NTT Communications Corporation Innovative IP Architecture Center | 0 |
| AS23815 | Japan Internet Exchange Co., Ltd. | 0 |
| AS45685 | Rikkyo Gakuin Rikkyo University | 0 |
| AS2499 | Japan Network Information Center | 0 |
| AS10124 | Amazon INFS private | 0 |
| AS37904 | Softbank Mobile Corp. | 0 |
| AS23814 | WIDE Project | 0 |
| AS138328 | Skadden, Arps, Slate, Meagher & Flom LLP | 0 |
| AS23813 | SORUN Corporation | 0 |
| AS45679 | Tatsumi, Tomo | 0 |
| AS23810 | IC-NET Corporation | 0 |
| AS23809 | Televi Naruto .CO.,LTD | 0 |
| AS23806 | Chupicom Hiroshima Corp. | 0 |
| AS2502 | The University of Tokyo | 0 |
| AS23803 | The University of Tokyo | 0 |
| AS9606 | Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency | 0 |
| AS23801 | NTT Communications | 0 |
| AS138190 | Aurura Solutions LTD | 0 |
| AS45674 | BIGLOBE Inc. | 0 |
| AS59100 | Kochi Gakuen College | 0 |
| AS18084 | PACNET | 0 |
| AS23800 | Fukui National College of Technology | 0 |
| AS138181 | Hu's Tech LLC | 0 |
| AS131075 | Nippon Telegraph and Telephone Corporation PF Labs., | 0 |
| AS45436 | Green Net Co., Ltd. | 0 |
| AS59106 | SKYLINKS INC. | 0 |
| AS23797 | IXO | 0 |
| AS17695 | MLJS | 0 |
| AS17697 | NTT PC Communications, Inc. | 0 |
| AS4251 | TWICS Co. Ltd. | 0 |
| AS9609 | Ymobile Corporation | 0 |
| AS10033 | iBasis Tokyo ICO | 0 |
| AS131074 | APNIC R&D Centre JP | 0 |
| AS59114 | Recruit Holdings Co.,Ltd. | 0 |
| AS131073 | PACNET | 0 |
| AS17795 | Netvein.co.jp | 0 |
| AS4197 | Yahoo Japan Corporation | 0 |
| AS17933 | Nippon Telegraph and Telephone East Corporation | 0 |
| AS59119 | HIDATAKAYAMA CABLE NETWORK INC. | 0 |
| AS38910 | JP Morgan Chase & Co. | 0 |
| AS138157 | TP Networks, LLC | 0 |
| AS38655 | SaiNet Corporation | 0 |
| AS9995 | FirstServer, Inc. | 0 |
| AS3775 | Global Network Solutions, IBM Japan, Ltd. | 0 |
| AS2521 | Yahoo Japan Corporation | 0 |
| AS38653 | Japan Post Holdings Co., Ltd. | 0 |
| AS2524 | EJWORKS CORPORATION | 0 |
| AS3510 | Real World Computing Partnership | 0 |
| AS18122 | Advanced Software Technology & Management Research Institute of KYOTO | 0 |
| AS59130 | NTT Communications Corperation | 0 |
| AS63524 | Equinix Asia Pacific | 0 |
| AS9616 | WIDE Project | 0 |
| AS138038 | Wolf Network Lab | 0 |
| AS17938 | SOFTBANK TELECOM Corp. | 0 |
| AS37909 | Wakkanai Hokusei Gakuen University | 0 |
| AS38645 | NTT Communications Corporation | 0 |
| AS63775 | YAKAGE CABLE TELEVISION | 0 |
| AS38644 | INTERNET MULTIFEED CO. | 0 |
| AS63978 | CJL-JP | 0 |
| AS37895 | Ryukoku University | 0 |
| AS7488 | Yahoo Japan Corporation | 0 |
| AS1233 | National Space Development Agency | 0 |
| AS133795 | Choopa, LLC | 0 |
| AS23640 | BBIX,Inc. | 0 |
| AS23638 | AMIXCOM Inc. | 0 |
| AS2713 | AT&T Jens Corporation | 0 |
| AS7509 | Hokkaido University | 0 |
| AS38640 | SAKURA Internet Inc. | 0 |
| AS7512 | WITH Network | 0 |
| AS7513 | Hitachi Systems, Ltd. | 0 |
| AS3391 | ASCIInet Corporation | 0 |
| AS7515 | NTT Communications Corporation | 0 |
| AS138030 | NET-NAVICE | 0 |
| AS23630 | CAC Inc. | 0 |
| AS17943 | Tokyo Denki University | 0 |
| AS133869 | SalesForce.com, Inc. | 0 |
| AS23625 | TOKAI Communications Corporation | 0 |
| AS131908 | INTEC Inc. | 0 |
| AS7526 | Mitsubishi Electric Information Network Corporation | 0 |
| AS17945 | iTV Co,Ltd | 0 |
| AS23622 | Tsuru Gakuen | 0 |
| AS18095 | Reitaku University | 0 |
| AS7531 | GenomeNet Project | 0 |
| AS17949 | Tokyo University of Technorogy | 0 |
| AS137875 | ShedDC | 0 |
| AS38632 | cross-connect niigata co.,ltd. | 0 |
| AS18286 | Osaka City University | 0 |
| AS37899 | NIPPON TELEGRAPH AND TELEPHONE WEST CORPORATION | 0 |
| AS7666 | Mitsubishi Corporation | 0 |
| AS134532 | AT&T Global Network Services | 0 |
| AS18089 | KDDI Corporation | 0 |
| AS7669 | DIGITAL TECHNOLOGIES CORPORATION | 0 |
| AS2915 | AT&T Jens Corporation | 0 |
| AS38610 | APNIC R&D Centre JP | 0 |
| AS134606 | Satori Networks | 0 |
| AS7673 | ejworks corporation | 0 |
| AS38080 | Foresightwave INC. | 0 |
| AS37901 | NIPPON TELEGRAPH AND TELEPHONE EAST CORPORATION | 0 |
| AS18279 | Bukkyo University | 0 |
| AS18277 | Kurashiki University of Science and the Arts | 0 |
| AS37984 | Chikushi Jogakuen University, Non-transit AS. | 0 |
| AS131900 | Directorz Co.,Ltd. | 0 |
| AS7683 | trunk inc. | 0 |
| AS17977 | SINGTEL-JP | 0 |
| AS18270 | Toin University of Yokohama | 0 |
| AS131898 | Yahoo Japan Corporation | 0 |
| AS7688 | Nippon Internet Access Inc. | 0 |
| AS37927 | Nomura Researth Institute, Ltd. | 0 |
| AS9222 | Intel Online Services Asia | 0 |
| AS9225 | Telstra Global | 0 |
| AS37902 | Nomura Research Institute, Ltd. | 0 |
| AS18269 | Kai Creates Inc. | 0 |
| AS9996 | KDDI Corporation | 0 |
| AS136769 | WingTecJapan G.K | 0 |
| AS18151 | COMPUTER ENGINEERING & CONSULTING LTD. | 0 |
| AS37925 | USEN CORPORATION | 0 |
| AS37924 | Ministry of Land, Infrastructure and Transport Kinki Regional Development Bureau | 0 |
| AS37923 | NTT Communications Corporation | 0 |
| AS137407 | EIC INC | 0 |
| AS131157 | IMS Corporation | 0 |
| AS37920 | Shiga University | 0 |
| AS131154 | NANO OPT Media, Inc. | 0 |
| AS4712 | JAPAN TOBACCO INC. | 0 |
| AS132211 | FX Corporate LLC | 0 |
| AS4716 | KDDI CORPORATION | 0 |
| AS17524 | DS Networks | 0 |
| AS4709 | NetLaputa Corporation | 0 |
| AS4708 | Nippon Internet Access Inc. | 0 |
| AS132120 | Internet Systems Consortium | 0 |
| AS4722 | SoftBank Corp. | 0 |
| AS17527 | CHITA MEDIAS NETWORK INC. | 0 |
| AS17532 | Tokyo Polytechnic University | 0 |
| AS4727 | KYODO PRINTING BUSINESS SOLUTIONS CO.,LTD | 0 |
| AS132024 | Rebyc Inc. | 0 |
| AS132373 | Asian Web Company Inc. | 0 |
| AS4732 | KDDI CORPORATION | 0 |
| AS4700 | Niji-Net Inc. | 0 |
| AS131153 | KVH Co., Ltd. | 0 |
| AS131152 | BBIX,Inc. | 0 |
| AS4698 | InterLink Co., Ltd. | 0 |
| AS55372 | University of the Ryukyus | 0 |
| AS9376 | SMARTVALUE Co.,Ltd. | 0 |
| AS55375 | SmartInsight Inc. | 0 |
| AS10007 | SoftBank Mobile Corp. | 0 |
| AS131106 | AS for DATAHOTEL, which is one of iDC in Japan, | 0 |
| AS4692 | InternetWare Co., LTD. | 0 |
| AS4691 | Dream Train Internet Inc. | 0 |
| AS131940 | Nissho Electronics Corp. | 0 |
| AS4690 | WIDE Project | 0 |
| AS4688 | Internet Initiative Japan Inc. | 0 |
| AS9380 | Community Network Center Inc. | 0 |
| AS132496 | SBI BITS Co., Ltd. | 0 |
| AS131086 | Densan Co., Ltd. | 0 |
| AS4684 | NTT PC Communications, Inc. | 0 |
| AS131085 | Niigata Communication Service | 0 |
| AS55389 | Japan Network Enabler Corporation | 0 |
| AS24114 | Equinix Asia Pacific | 0 |
| AS131937 | Joetsu Cable Vision | 0 |
| AS24062 | Kari Network Inc. | 0 |
| AS10807 | Hitachi Business International, Ltd. | 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.