Japan

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. 44,922,368
AS4713 NTT Communications Corporation 28,905,728
AS2516 KDDI CORPORATION 18,767,360
AS2907 Research Organization of Information and Systems, National Institute of Informatics 8,510,144
AS17506 UCOM Corp. 5,382,144
AS9824 Jupiter Telecommunication Co. Ltd 4,745,216
AS2497 IIJ-AS 3,867,904
AS2518 BIGLOBE 3,674,112
AS38895 Amazon.com, Inc. 3,368,960
AS2510 FUJITSU LIMITED 3,220,224
AS2527 So-net Entertainment Corporation 3,210,240
AS17511 K-Opticom Corporation 3,129,088
AS9605 NTT DOCOMO, INC. 2,327,296
AS4725 SoftBank Mobile Corp. 2,242,048
AS10013 FreeBit Co.,Ltd. 1,999,104
AS2514 NTT PC Communications, Inc. 1,872,384
AS9595 NTT-ME Corporation 1,644,544
AS2519 ARTERIA Networks Corporation 1,613,824
AS37903 Ymobile Corporation 1,491,968
AS10010 TOKAI Communications Corporation 1,455,616
AS18126 Chubu Telecommunications Company, Inc. 1,307,648
AS9617 Jupiter Telecommunications Co., Ltd. 1,163,264
AS4694 Yahoo Japan Corporation 981,760
AS4685 Asahi Net 905,216
AS7679 QTnet,Inc. 696,832
AS4721 Jupiter Telecommunications Co., Ltd. 631,808
AS7671 NTT SmartConnect Corporation 453,632
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 330,240
AS9371 SAKURA Internet Inc. 329,472
AS4704 Rakuten Communications Corp. 303,104
AS2506 NTT WEST CHUGOKU CORPORATION 279,808
AS9597 KDDI Web Communications Inc. 276,736
AS7684 SAKURA Internet Inc. 273,408
AS4673 NTT DATA CORPORATION 258,048
AS7524 ITEC HANKYU HANSHIN CO.,LTD. 253,952
AS7506 GMO Internet,Inc 240,384
AS9354 Community Network Center Inc. 208,384
AS18144 Energia Communications,Inc. 204,800
AS10026 PACNET 201,984
AS2501 U-TOKYO 200,704
AS10021 KVH Co.,Ltd 200,448
AS23793 National Institute of Advanced Industrial Science and Technology 199,936
AS7687 TOYOTA DIGITAL CRUISE.INCORPORATED 194,560
AS7514 Computer Engineering & Consulting, Ltd. 194,560
AS4686 BEKKOAME INTERNET INC. 178,944
AS17941 Equinix Jpapan Enterprise K.K. 168,960
AS9374 EDION Corporation 165,888
AS17698 COMMUNITY NETWORK CENTER INCORPORATED. 153,600
AS9351 ZTV CO.,LTD 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
AS17943 Tokyo Denki University 131,072
AS24297 Osaka Prefecture University 131,072
AS4729 Japan Atomic Energy Agency 131,072
AS38635 Keio University 131,072
AS17516 NTT COMWARE CORPORATION 131,072
AS17529 COMMUNITY NETWORK CENTER INC. 126,976
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
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
AS2505 High Energy Accelerator Research Organization, KEK 74,240
AS7502 Advanced Software Technology & Management Research Institute of KYOTO 74,240
AS58647 Kagawa University 73,728
AS23781 Toyama University 72,704
AS17534 NSK Co.,Ltd. 72,704
AS17673 MITSUI KNOWLEDGE INDUSTRY CO., LTD. 71,680
AS17509 STARNET Co.,Ltd. 71,680
AS9615 TOYOHASHI CABLE NETWORK INC. 71,680
AS23820 Rakuten,Inc. 69,632
AS10000 Nagasaki Cable Media Inc. 69,632
AS17947 SAKURA KCS Corporation. 69,632
AS18271 Sojitz Systems Corporation 69,632
AS18082 Japan Agency for Local Authority Information Systems 69,632
AS24276 Jupiter Telecommunications Co., Ltd. 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
AS4730 Osaka University 67,584
AS17961 mitene internet co., ltd. 67,584
AS2526 HITNET 67,584
AS23816 Yahoo Japan Corporation 67,584
AS55390 Tokyo University of Science 67,584
AS38628 HIMEJI CABLE TELEVISION CORPORATION 66,560
AS24261 Mie University 66,304
AS37920 Shiga University 66,048
AS2513 JST 65,792
AS17944 Japan Weather Association 65,792
AS17932 Japan Advanced Institute of Science and Technology 65,792
AS55380 Kanazawa University 65,536
AS2508 Kyushu University 65,536
AS131159 Yamagata University 65,536
AS55379 Hosei University 65,536
AS38654 INES Corporation. 65,536
AS23615 University of Shizuoka 65,536
AS18069 SOFTBANK TECHNOLOGY CORP. 65,536
AS18087 Toyo University 65,536
AS24275 TOTO LTD. 65,536
AS24273 CANON INC. 65,536
AS18128 RIKEN(Physical and Chemical Research Institute) 65,536
AS55904 KOGAKUIN University 65,536
AS24268 National University Corporation Shizuoka University 65,536
AS24254 Kyoto Sangyo University 65,536
AS18148 Fukuoka University 65,536
AS24248 Wakayama University 65,536
AS17960 University of the Ryukyus 65,536
AS17510 INFORMATION SERVICES INTERNATIONAL - DENTSU, LTD. 65,536
AS18124 Okayama University of Science 65,536
AS18125 Ministry of Agriculture, Forestry and Fisheries Research Network 65,536
AS17512 Japan Airlines International Co., Ltd. 65,536
AS17956 WASEDA University 65,536
AS23807 Ritsumeikan University 65,536
AS58652 Kochi University 65,536
AS17946 Gifu University 65,536
AS18276 Kansai University 65,536
AS9991 Hiroshima Shudo University 65,536
AS4677 Marubeni OKI Network Solutions Inc. 65,536
AS23779 NTT Communications Corporation 65,536
AS131919 Meiji University 65,536
AS59104 Soka University 65,536
AS37910 Chubu University 65,536
AS45673 Osaka Electro-Communication University 65,536
AS37919 SEGA Holdings Co., Ltd. 65,536
AS9593 Nikkei Inc. 65,536
AS9591 National Institute for Fusion Science 65,536
AS17701 Seinan Gakuin University 65,536
AS58785 Tohoku Gakuin University 65,536
AS38641 Osaka Sangyo University 65,536
AS9367 Tokyo Institute of Technology 65,536
AS9366 SOLITON-NET 65,536
AS10014 Nihon University 65,536
AS131897 National University Corporation ,Ehime University 65,536
AS18268 Naganoken Kyodou Densan Co.Ltd. 65,536
AS23623 Chuo University 65,536
AS9357 NRI SecureTechnologies, Ltd. 65,536
AS9355 National Institute of Information and Communications Technology 65,536
AS17523 Aoyama Gakuin University 65,536
AS7672 Hokuden Information System Service Co.,Ltd. 64,512
AS7511 SYNAPSE Co.,Ltd. 63,488
AS17686 ACCELIA 63,488
AS23791 LCV Corporation 60,416
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
AS24295 Internap Japan Co.,Ltd. 54,272
AS9622 Kurashiki Cable TV 51,200
AS4680 Mitsubishi Electric Information Network Corporation 49,664
AS37892 Cable Media WAIWAI Co.,Ltd. 49,152
AS55387 Japan Communication Inc. 49,152
AS24296 Yahoo Japan Corporation 49,152
AS17675 Internap Japan Co.,LTD. 49,152
AS18278 Cable TV Corporation 47,104
AS18282 TONAMI Internet Service(TONAMI TransportationCo.,Ltd.) 46,592
AS4693 CSK-IT MANAGEMENT CORPORATION 45,056
AS23637 Equinix Jpapan Enterprise K.K. 45,056
AS18092 Kyushu Tele Communications Company 45,056
AS9378 Jupiter Telecommunications Co., Ltd. 45,056
AS23785 SUN FIELD INTERNET LIMITED 45,056
AS2512 UNSPECIFIED 43,264
AS18136 Jupiter Telecommunications Co., Ltd. 43,008
AS38631 LINE Corporation 42,752
AS7690 Mirai Communication Network Inc. 41,472
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
AS9998 ISAO Corporation 36,864
AS10003 Ogaki Cable Television Co.,Inc. 36,864
AS10001 Mics Network Corporation 36,864
AS7682 HOKKAIDO TELECOMMUNICATIONS NETWORK Co., Inc. 35,840
AS38462 Osaki Computer Engineering Co.Ltd 35,328
AS10019 Matsusaka Cable-TV Station Inc. 34,816
AS17955 Densan Co., Ltd. 34,816
AS59092 kronos.Co.,Ltd. 33,536
AS58793 NIFTY Corporation 33,024
AS59121 Asahi Kasei Networks Corporation 33,024
AS18150 NetComBB Co.,Ltd. 32,768
AS10015 Cyber Wave Japan Co., Ltd. 30,464
AS18134 Jupiter Telecommunications Co., Ltd. 29,696
AS18068 Dream Wave Shizuoka Co. Ltd. 29,184
AS7668 Hokuriku Telecommunication Network Co. 29,184
AS9607 BroadBand Tower, Inc. 29,184
AS23783 Cable Networks Akita Co.,ltd. 28,416
AS23629 Obihiro City Cable Co.,Ltd. 27,136
AS17504 NRI Netcom, Ltd. 26,624
AS131927 TV Matsumoto Cablevision 26,624
AS23624 Chukai Television Co,.Ltd. 26,624
AS55394 GREE, Inc. 26,624
AS24255 Tannan Cable Television Corporation 25,600
AS10004 JIN Office Service Inc. 25,088
AS56291 Ace, Inc. 24,576
AS10002 IGAUENO CABLE TELEVISION CO.,LTD 24,576
AS17950 SaiNet 24,576
AS10012 Rakuten Communications Corp. 24,576
AS9601 Niigata Communication Service 24,576
AS23788 Jupiter Telecommunications Co., Ltd. 24,576
AS23661 CLARA ONLINE, Inc. 24,576
AS18121 Ishikawa Computer Center Co.,LTD. 24,064
AS17682 296 BROAD NET Com Inc 23,552
AS23786 San-in Cable Vision CO.,LTD 22,528
AS24249 JWAY co., Ltd. 22,528
AS132827 GATEWAY INC 22,272
AS55900 GLBB Japan KK 21,504
AS17691 NDS Co., Ltd. 21,504
AS135573 mediatti broadband communications 20,992
AS23777 NTT BUSINESS SOLUTIONS CORPORATION 20,992
AS45675 Jupiter Telecommunications Co., Ltd. 20,480
AS4695 Energia Communications, Inc. 20,480
AS9999 AT TOKYO Corporation 20,480
AS18267 Doshisha University 20,480
AS24278 USEN CORPORATION 20,480
AS9466 UUNET Japan Limited 20,256
AS17957 SOUTH TOKYO CABLETELEVISION 19,456
AS59109 Hitachi,Ltd., Cloud services Division 19,456
AS55392 INTERNET MULTIFEED CO. 19,456
AS18283 Fureai Channel Inc. 19,456
AS18129 OKAYAMA NETWORK INC. 19,456
AS23790 Jupiter Telecommunications Co., Ltd. 18,432
AS131915 Hamamatsu Cable Television .Inc 18,432
AS131916 Tokyo Bay Network Co.,Ltd. 18,432
AS131918 SHONAN CABLE NETWORK 18,432
AS24277 Okinawa Cable Network Inc. 18,432
AS10011 advanscope.inc 18,432
AS18274 Utsunomiya Cable TV Corporation 18,432
AS23784 SQUARE ENIX CO., LTD. 18,432
AS9997 Suzuka Cable Co.,Ltd 17,920
AS4711 INTEC Inc. 17,408
AS63770 Industrial Cyber Security Center of Excellence 17,408
AS23627 UEDA CABLE VISION CO.,LTD. 17,408
AS18094 Tokyo Cable Network.,INC 17,408
AS17958 Kasaoka Cable Vision Co,LTD. 17,408
AS17524 DS Networks 16,896
AS18071 Panasonic Corporation Corporate Information Systems Company 16,704
AS23635 CRCCMedia Co.,ltd 16,384
AS7503 Air Internet Service Co.,Ltd. 16,384
AS9618 catv-tokushima 16,384
AS23780 CTB Media Inc. 16,384
AS7505 Fujitsu Systems Applications & Support Limited 16,384
AS55910 Shibaura Institute of Technology 16,384
AS24271 Iruma CATV co. 16,384
AS55384 Japan Advanced Institute of Science and Technology 16,384
AS18085 Fujitsu Systems Applications & Support Limited 16,384
AS17683 Wingtechnology Communications, Inc. 16,384
AS7513 Hitachi Systems, Ltd. 16,384
AS7523 RICOH JAPAN Corporation 15,872
AS131899 DIG Inc. 15,616
AS23778 IMIZU CABLE NETWORK CO.,LTD. 15,360
AS23808 TOSHIMA CABLE NETWORK CO.,LTD 14,336
AS23805 Watarase Television Co.,Ltd 14,336
AS9604 FUJI SOFT INCORPORATED 14,336
AS24259 kanuma cable television Corporation 14,336
AS17931 Netforest,Inc. 14,336
AS17936 Cable Television Kani Co.,Inc. 14,336
AS7677 Dai Nippon Printing Co., Ltd 13,568
AS23818 JETINTERNET Corporation 13,568
AS18070 Global Network Core Co.,Ltd. 13,312
AS24251 Iwakuni Cable Network Corporation 13,312
AS58650 Warabi Cable Vision Co., Ltd. 12,800
AS63997 Tsukaeru.net KK 12,544
AS23817 Fujitsu Limited. 12,288
AS18075 Chupicom Hiroshima Corp. 12,288
AS55388 ASJ INC. 12,288
AS18142 KISTEM Co., Ltd. 12,288
AS18266 Datacore Works Co.,Ltd. 12,288
AS18281 Tokoname New-TV Corporation 12,288
AS23628 Academic newtown Community Cable Service 12,288
AS23632 TVT Tsuyama Co.,Ltd. 12,288
AS59125 FAMILY NET JAPAN INCORPORATED 11,520
AS131925 FAMILY NET JAPAN INCORPORATED 11,264
AS17661 NHN Techorus Corp. 11,264
AS38639 NTT Communications Corporation 11,264
AS23620 DooGA Co., Ltd. 11,264
AS17696 Okinawa Telecommunication Network Co.,Inc 10,240
AS59107 Hachinohe Cable Television Co. 10,240
AS55381 CITY-CABLE SHUNAN Corporation 10,240
AS131926 Cable Television Saiki Co. , Ltd. 10,240
AS55385 Digital Alliance Co.,Ltd. 10,240
AS24284 CyberAgent, Inc. 9,728
AS17689 Hokuden Information Technology,Inc. 9,728
AS45677 Isahaya Cable Television Co.,Inc. 9,216
AS24279 SENDAI CATV CO.,LTD. 9,216
AS37922 Cable TV Yamagata Co.,Ltd. 9,216
AS9621 Okinawa Telecommunication Network Co.,Inc 9,216
AS7664 Sanyo Computer Corp.Inc 9,216
AS23775 Tamashima TV Inc. 9,216
AS132418 Outscale SAS 9,216
AS37908 KIBI Cable Television Co.,Ltd. 8,704
AS17678 Gunma Internet Co,.ltd 8,704
AS132726 SanyuNet corp. 8,704
AS173 Electrical Communications Laboratories 8,704
AS18258 Morgan Stanley Japan Limited 8,448
AS7521 INTERNET MULTIFEED CO. 8,192
AS17694 Deutsche Bank Group, Japan BGP connection 8,192
AS9358 Kanden Information Systems Company,Incorporated 8,192
AS7665 Okayama Prefectural Government 8,192
AS55899 LEON TECHNOLOGY, Inc. 8,192
AS2523 JSPS 163rd Committee on Internet Technology 8,192
AS4719 Onkyo Corporation 8,192
AS17518 Shiojiri City 8,192
AS4672 IBM Japan, Ltd. 8,192
AS17677 UCOM Corporation 8,192
AS7678 Prox System Design Inc. 8,192
AS23619 SMARTVALUE Co.,Ltd. 8,192
AS7663 FUJIMIC INC. 8,192
AS7686 Technology Networks Inc. 8,192
AS59096 Meiji Gakuin University 8,192
AS23804 Nonprofit Organization Kitaura Hana Net 8,192
AS23796 NTT Service Evolution Laboratories 8,192
AS38043 Sophia Reserch Institute, Ltd. 8,192
AS59091 Kanagawa Institute of Technology 8,192
AS17940 CYBER LINKS Co.,Ltd. 8,192
AS24336 DIGITALBANK, Inc., Regional ISP in Japan 8,192
AS9352 KuMaGaYaNet 7,424
AS23822 Hagi Cable Network Co., Ltd 7,168
AS131900 Directorz Co.,Ltd. 7,168
AS17693 YAMATO SYSTEM DEVELOPMENT CO., LTD. 7,168
AS18264 Seikei Eizo Network Inc. 7,168
AS17948 EditNet, Incorporated 7,168
AS23618 Ibara Broadcasting Company 7,168
AS23829 NTT NEOMEIT YAMAGUCHI CORPORATION 6,912
AS17505 SOFTBANK MOBILE Corp. 6,656
AS63772 extride inc. 6,400
AS38715 Regional-IX ASN Tottori pref Japan. 6,400
AS131893 RICOH Company, Ltd. 6,400
AS131923 Mihara Cable Television Ltd. 6,144
AS23639 NTT Bizlink, Inc. 6,144
AS23776 NEC Corporation 6,144
AS24290 Heart Network Co.,LTD 6,144
AS9353 MEDIAWARS co.,ltd. 6,144
AS7517 ICOMT Inc. 6,144
AS23631 Sofu System, Inc 6,144
AS18088 Kyuden Infocom Company Inc 6,144
AS23827 Azumino Network Community TV 6,144
AS17680 SCSK Corporation 6,144
AS23613 New Media Tokushima Co.,ltd. 6,144
AS24512 HAL Internet, Internet Service Provider, Tottori, Japan 6,144
AS59094 esu2 Corporation 6,144
AS23641 NS Computer Service Corporation 6,144
AS37914 Advanced Software Technology and Management Research Institute of KYOTO 5,632
AS17937 NIKKEI ADVANCED SYSTEMS INC. 5,376
AS7660 Asia Pacific Advanced Network - Japan 5,376
AS58788 Chiroro-Net Co.,Ltd. 5,120
AS37916 A.T.WORKS,Inc. 5,120
AS23614 Kochi Systems Co., Ltd. 5,120
AS18259 NTT Communications Corporation 5,120
AS131911 HONJYO CABLE VISION CO., LTD. 5,120
AS135401 SAP 5,120
AS24289 Kagawa T.V Broadcast Network Co,.Ltd 5,120
AS55376 KCV communications CO.,LTD. 5,120
AS38638 Ip Core Corporation 5,120
AS45687 Minamikyusyu CableTV Net Inc. 5,120
AS7529 NetIRD Inc. 5,120
AS38651 Mixi,Inc. 5,120
AS37907 DigiRock, Inc. 5,120
AS37897 AXEL NETWORKS, INC. 4,608
AS132095 HEWLETT PACKARD-SHINSUNA COLO 4,352
AS55912 University of Kochi 4,352
AS18143 Mitsubishi Research Institute DCS Co.,Ltd. 4,096
AS18067 Humeia Corporation 4,096
AS10016 Minaminihon Information Processing Center Co Ltd 4,096
AS18072 NTT Communications, Corp. 4,096
AS18074 First Riding Technology Inc. 4,096
AS18265 ZEXIS CORPORATION 4,096
AS17934 National Institute of Information and Communications Technology 4,096
AS9363 FUJITSU KANSAI-CHUBU NET-TECH LIMITED 4,096
AS59116 American International Group KK 4,096
AS23795 Fitec Corp. 4,096
AS45672 Koga Cable TV Co., Ltd. 4,096
AS23801 NTT Communications 4,096
AS18141 HBA 4,096
AS7527 Japan Internet Exchange Co., Ltd. 4,096
AS59102 GENES Co., Ltd. 4,096
AS9990 Nippon Information and Communication Corporation 4,096
AS18140 Yahoo Japan Corporation 4,096
AS17953 BroadBand Security, Inc. 4,096
AS23773 EKZM co.,ltd. 4,096
AS18138 HI-NET INC. 4,096
AS23794 Club iT Corporation 4,096
AS17688 ShineOn LTD 4,096
AS17699 MEDiA K.K. 4,096
AS132119 BNP Paribas 4,096
AS23824 Future Spirits Co.,Ltd. 4,096
AS18383 CAHI Corporation 4,096
AS23836 RELATION Co., Ltd. 4,096
AS17513 Kids-way Corporation 4,096
AS45690 Tokushima Central TV Co.,Inc. 4,096
AS23967 Produce On Demand Inc. Streaming Contents Delivery Service Tokyo 4,096
AS17685 SQUARE ENIX CO., LTD. 4,096
AS23798 VR Techno Center,inc 4,096
AS38652 Ginzado Co.,Ltd. 4,096
AS18290 Mimedia Corporation 4,096
AS18289 AT&T JAPAN KK 4,096
AS55889 Equinix Jpapan Enterprise K.K. 4,096
AS37898 digitiminimi, inc. 4,096
AS18146 Intec NetCore, Inc. 4,096
AS24264 Kanazawa Institute of Technology 4,096
AS18263 MEITETSUCOM Co., Ltd. 4,096
AS18086 PFU LIMITED 4,096
AS45688 The University of Tokyo Interfaculty Initiative in Information Studies 3,592
AS133027 ZenLogic Internet Ltd 3,584
AS55569 Criteo Corp 3,584
AS18127 Ibaraki Prefectural Government 3,584
AS24293 FUJITSU SYSTEMS WEST LIMITED 3,584
AS37984 Chikushi Jogakuen University, Non-transit AS. 3,328
AS55902 TS-NET of TOSET, Inc. in Japan 3,328
AS45680 DOVA Corporation 3,328
AS37900 NTT Communications Corporation 3,328
AS24470 MAIS 3,328
AS38633 Value Core Inc. 3,072
AS23828 Misaki Town 3,072
AS37915 Wakayama Prefectural Government 3,072
AS58653 UD Trucks Corporation, Volvo Information Technology Japan 3,072
AS24270 CRC Solutions Corp., 3,072
AS23616 Hitachi Information Systems, Ltd. 3,072
AS45846 Shiga area POP AS Number 3,072
AS58791 GMO Internet,Inc 3,072
AS18211 Nomura India Services Pvt Ltd 3,072
AS2515 Japan Network Information Center 2,816
AS59103 SoftEther Corporation 2,816
AS38627 Baidu, Inc. 2,816
AS23748 Cat Networks K.K. 2,816
AS59118 NRI SecureTechnologies, Ltd. 2,560
AS137445 PF LINK SYSTEMS 2,560
AS136782 Kirin Networks 2,560
AS55898 Yahoo Japan Corporation 2,560
AS136407 Virtustream Cloud Services Australia Pty Limited 2,560
AS37891 JR TOKAI Information Systems Company 2,560
AS45682 Excite Japan Co., Ltd. 2,304
AS24121 Equinix Asia Pacific 2,304
AS24229 IX-layers, Inc. 2,304
AS58784 Rissho University 2,048
AS59126 NCT CO.,LTD. 2,048
AS131928 Tottori Teletopia Co., Ltd. 2,048
AS7530 BroadBand Tower, Inc. 2,048
AS37912 IPRIO Corporation. 2,048
AS59129 LogicLinks, Inc. 2,048
AS59095 ACCELIA 2,048
AS38634 DWANGO Co.,Ltd. 2,048
AS38642 Yoshizou XYZ Solutions 2,048
AS18090 IMS Corporation 2,048
AS131902 Sony Corporation 2,048
AS18272 Benesse InfoShell Co.,Ltd 2,048
AS131907 Iwami Cablevision Co.,Ltd. 2,048
AS24288 Accutechs Co., Ltd. 2,048
AS55393 Midokura Japan K.K. 2,048
AS24250 Miyagin Computer Service Co.,ltd 2,048
AS131929 Yamanashi CATV Co,. ltd 2,048
AS24253 J-Stream Inc. 2,048
AS55383 YYY Group, Inc. 2,048
AS59112 Plus One marketing Ltd. 2,048
AS18076 Institute of Advanced Media Arts and Sciences 2,048
AS24286 Weathernews,Inc. 2,048
AS59101 mirai-bs corporation 2,048
AS24262 HAMANASU INFORMATION Co., Ltd. 2,048
AS24265 NTT Communications Corporation 2,048
AS23633 Niigata Communication Service 2,048
AS59123 Kakaku.com, Inc. 2,048
AS37889 J-PARC Center 1,792
AS4697 NTT PF Labs 1,792
AS59117 RBNET Co.,Ltd. 1,792
AS38643 UNIADEX, LTD. 1,792
AS136506 LEON CO.LTD 1,792
AS131914 datadockInc. 1,792
AS23799 National Defense Academy 1,792
AS18139 Hitachi Solutions, Ltd. 1,536
AS4710 NTT 1,536
AS24280 Hitachi Systems, Ltd. 1,536
AS18123 INAOKI EDUCATIONAL INSTITUTION 1,536
AS132504 QUALITIA Co.,Ltd 1,536
AS38636 DeNA, Co. Ltd. 1,536
AS134396 AusRegistry Anycast system 1,536
AS133203 SBI BITS Co., Ltd. 1,280
AS7667 KDDI R&D Laboratories, INC. 1,280
AS58648 AT-I, Inc. 1,280
AS131904 Cyber Feel Inc 1,280
AS136574 Zheye Networks 1,280
AS38629 NTT Communications Corporation 1,280
AS7674 NTT Communications Corporation 1,280
AS55896 Videx Inc. 1,024
AS133476 First Innovation K.K. 1,024
AS7500 WIDE Project 1,024
AS18149 Japan Registry Service Co., Ltd. 1,024
AS63774 Kamoike.net LLP 1,024
AS63771 Border Gateway Protocol Network Analysis Project 1,024
AS59122 Ranger-Systems Co., Ltd. 1,024
AS136178 FIL Japan Holdings K.K. 1,024
AS59114 Recruit Holdings Co.,Ltd. 1,024
AS59110 BPS Inc. 1,024
AS58645 Miyagi Cable TV Co.,Ltd 1,024
AS58792 WirelessGate, Inc. 1,024
AS58789 DUNAMIS Co.,Ltd 1,024
AS59105 Home NOC Operators Group 1,024
AS58654 BLESS Co.,Ltd. 1,024
AS59099 BroadBand Tower, Inc. 1,024
AS137001 OSOA Co.,LTD. 1,024
AS59097 Okinawa Cross Head Co., Ltd. 1,024
AS59093 IMABARI CATV CORPORATION 1,024
AS23826 Daido University 1,024
AS23885 Oracle Corporation 1,024
AS55894 Who's Next 1,024
AS55891 WATCH TOWER BIBLE AND TRACT SOCIETY 1,024
AS55890 Suntory Business Expert Limited 1,024
AS24263 HONDA MOTOR Co., Ltd. 1,024
AS55382 Nagato city office 1,024
AS55378 QUICK Corp. 1,024
AS24477 Netapp inc. 1,024
AS55375 SmartInsight Inc. 1,024
AS18091 Teikyo University 1,024
AS54415 WIZ TECHNOLOGIES 1,024
AS4774 A-Bone by Internet Initiative Japan Inc. 1,024
AS131160 Wire and Wireless Co.,Ltd. 1,024
AS4718 Cyber Kansai Project 1,024
AS131905 Japan Registry Services Co., Ltd. 1,024
AS131909 Okinawa Data Center 1,024
AS131920 WirelessGate, Inc. 1,024
AS131898 Yahoo Japan Corporation 1,024
AS131901 FIDESSA KK 1,024
AS45676 SBI TradeWinTech Co.,Ltd. 1,024
AS38648 F-REGI Co.,Ltd. 1,024
AS131910 SORACOM. INC. 1,024
AS131912 Cybozu,Inc. 1,024
AS135646 Luginbash AS 768
AS37888 HORIBA, Ltd. 768
AS10209 Japan HUB and Data Center 768
AS131896 SSI Lab Inc. 768
AS38033 Yahoo Inc. 768
AS206689 Beeks Financial Cloud Ltd 768
AS55905 TOP CLOUD Inc. 768
AS37893 TradeWeb Europe Limited 768
AS136769 WingTecJapan G.K 768
AS24283 MIEDEN SYSTEM SOLUTION .LTD 768
AS24291 MITSUI & CO., LTD. 512
AS45691 Elliott Advisors Asia Limited 512
AS131155 NTT Communications Corporation 512
AS7661 Network Organization for Research and Technologyin Hokkaido 512
AS131158 Nara Institute of Science and Technology, National University Corporation 512
AS63917 Amway Japan G.K 512
AS55396 NRI SecureTechnologies, Ltd 512
AS24260 Board of trusty: Kinjo-Gakuen 512
AS4717 WIDE Project 512
AS59120 Tsukuba Internet Service Corporation 512
AS38658 Liquidnet APNIC POC Role Identity 512
AS137462 Rakuten Communications K.K. 512
AS24257 Japan Internet Exchange Co., Ltd. 512
AS136779 Schneider Electric Japan Ltd 512
AS133782 Elsevier Ltd 512
AS55895 N.S.Computer Service Co.,Ltd. 512
AS55907 GMO Internet,Inc 512
AS132451 2142-1;KUKIOKA;MAEDA; 512
AS55873 St. Jude Medical 512
AS132211 FX Corporate LLC 512
AS131895 Okinawa Institute of science and technology 384
AS58786 GMO Internet,Inc 256
AS23634 WIDE Project 256
AS45678 ABN AMRO Clearing Tokyo Co., Ltd. 256
AS131894 UNIADEX, LTD. 256
AS59124 KYOTO Prefectural Government 256
AS135642 Abadi Internet Services LLC 256
AS59128 Kyoto University Microcomputer Club 256
AS63773 Birdie Mobile Inc. 256
AS135304 VMWare Incorporation 256
AS134827 EY Business Initiative Co., Ltd 256
AS45674 BIGLOBE Inc. 256
AS38646 WIDE Project 256
AS131078 KDDI R&D Laboratories, INC. 256
AS18080 Sopiafons Co.,Ltd 256
AS4777 Asia Pacific Network Information Centre 256
AS132496 SBI BITS Co., Ltd. 256
AS131906 Gap Japan K.K. 256
AS55373 Foundation for Biomedical Research and Innovation 256
AS131924 Kansai Airports 256
AS131913 Niigata ken 256
AS55377 Sadiatec Co., Ltd 256
AS24287 National Institute of Informatics 256
AS24274 Actelion Pharmaceuticals Japan Ltd. 256
AS131903 Nomura Research Institute,Ltd. 256
AS18284 Isetan Data Center Co., Ltd. 256
AS4690 WIDE Project 256
AS55908 Nomura Research Institute,Ltd. 256
AS55909 Kochi National College of Technology 256
AS24256 SOFTBANK Corp. 256
AS24252 Japan Registry Service Co., Ltd. 256
AS24047 Internet Systems Consortium, Inc. 256
AS23940 TR-IP-ADMIN 256
AS23929 Ubiquitous Corp. Data Center Network. 256
AS37905 Brastel Co.,Ltd 256
AS37906 NetIRD Inc. 256
AS23833 Marusan Securities Co., LTD. 256
AS55949 Technopro Holdings 256
AS137875 ShedDC 256
AS137008 1120 Shimokuzawa Chuo-ku Sagamihara-shi Kanagawa-ken 256
AS58649 GMO Internet,Inc 256
AS58651 GMO Internet,Inc 256
AS23774 Japan Registry Service Co., Ltd. 256
AS23761 Xpedite Systems 256
AS131917 Toshiba I.S. corp 256
AS23642 OBIS 256
AS59111 Akita International University 256
AS45217 Tora Trading Services Ltd. 256
AS59113 RICOH JAPAN Corporation 256
AS59115 CYBERDYNE Inc. 256
AS133900 Gilead Sciences, Inc. 256
AS9996 KDDI Corporation 0
AS10005 Japan Network Information Center 0
AS10007 SoftBank Mobile Corp. 0
AS10008 Japan Network Information Center 0
AS10009 AREWORKS Rworks 0
AS10017 Japan Network Information Center 0
AS10018 Japan Network Information Center 0
AS10020 Japan Network Information Center 0
AS10033 iBasis Tokyo ICO 0
AS10124 Amazon INFS private 0
AS17681 Japan Network Information Center 0
AS10807 Hitachi Business International, Ltd. 0
AS17697 NTT PC Communications, Inc. 0
AS18277 Kurashiki University of Science and the Arts 0
AS18279 Bukkyo University 0
AS1233 National Space Development Agency 0
AS131073 PACNET 0
AS131074 APNIC R&D Centre JP 0
AS131075 Nippon Telegraph and Telephone Corporation PF Labs., 0
AS131079 INTERNET MULTIFEED CO. 0
AS131080 SAKURA Internet Inc. 0
AS131081 Intec NetCore, Inc. 0
AS131082 Japan Internet Exchange Co., Ltd. 0
AS131084 MKI Network Solutions, Ltd. 0
AS131085 Niigata Communication Service 0
AS131086 Densan Co., Ltd. 0
AS131106 AS for DATAHOTEL, which is one of iDC in Japan, 0
AS131152 BBIX,Inc. 0
AS131153 KVH Co., Ltd. 0
AS131154 NANO OPT Media, Inc. 0
AS131157 IMS Corporation 0
AS131908 INTEC Inc. 0
AS131922 Birdie Mobile Inc. 0
AS131930 Tokyo Broadcasting System Television, Inc. 0
AS131931 Aomori Cable TV Co., Ltd. 0
AS131932 JR East Information Systems Company 0
AS131933 TAMA Television Co., Ltd 0
AS131934 ICC Corporation 0
AS132024 Rebyc Inc. 0
AS132120 Internet Systems Consortium 0
AS132290 AstraZeneca UK Limited 0
AS132373 Asian Web Company Inc. 0
AS132383 Y's Enterprise Co.,Ltd. 0
AS132592 Star Co,.Ltd. 0
AS132833 Research Management Ltd. 0
AS132888 Freak 0
AS132906 EVM Networks 0
AS133795 Choopa, LLC 0
AS133869 SalesForce.com, Inc. 0
AS134532 AT&T Global Network Services 0
AS136790 LizCat (Shanghai) Limited 0
AS137407 EIC INC 0
AS137819 Beeks Financial Cloud (Japan) 0
AS137912 Global Broadband K.K 0
AS17507 Japan Network Information Center 0
AS17508 Japan Network Information Center 0
AS17503 Japan Network Information Center 0
AS17515 Japan Network Information Center 0
AS17517 Japan Network Information Center 0
AS17519 Japan Network Information Center 0
AS17520 Japan Network Information Center 0
AS17521 Kochi University of Technology 0
AS17522 NIPPON TELEGRAPH AND TELEPHONE WEST CORPORATION 0
AS17525 Japan Cablenet Limited 0
AS17526 Japan Network Information Center 0
AS17527 CHITA MEDIAS NETWORK INC. 0
AS17528 Okinawa Tele Message Corporation 0
AS17531 Japan Network Information Center 0
AS17532 Tokyo Polytechnic University 0
AS17533 Japan Network Information Center 0
AS17679 Japan Network Information Center 0
AS17684 Japan Network Information Center 0
AS17674 Japan Network Information Center 0
AS17690 Japan Network Information Center 0
AS17692 Kyocera Communication Systems Co., Ltd. 0
AS17695 MLJS 0
AS17700 Japan Cablenet Limited 0
AS17702 Japan Network Information Center 0
AS17703 Japan Network Information Center 0
AS17704 Japan Network Information Center 0
AS17751 for assignment to JPNIC members 0
AS17795 Netvein Corporation 0
AS17938 SOFTBANK TELECOM Corp. 0
AS17951 Kobe Community Exchange Co. 0
AS17952 Japan Network Information Center 0
AS17954 Japan Network Information Center 0
AS17930 Japan Network Information Center 0
AS17933 Nippon Telegraph and Telephone East Corporation 0
AS17935 Japan Network Information Center 0
AS17942 Japan Network Information Center 0
AS17945 iTV Co,Ltd 0
AS17949 Tokyo University of Technorogy 0
AS17959 ICN K-techsjapan Inc. 0
AS17977 SINGTEL-JP 0
AS18089 KDDI Corporation 0
AS18083 JPNIC 0
AS18073 JPNIC 0
AS18078 JPNIC 0
AS18079 JPNIC 0
AS18084 Asia Netcom Japan Corp. 0
AS18093 JPNIC 0
AS18095 Reitaku University 0
AS18096 JPNIC 0
AS18098 JPNIC 0
AS18147 JPNIC 0
AS18122 Advanced Software Technology & Management Research Institute of KYOTO 0
AS18130 JPNIC 0
AS18131 NTT Communications Corporation Innovative IP Architecture Center 0
AS18132 JPNIC 0
AS18133 GAMANIA 0
AS18137 JPNIC 0
AS18145 JPNIC 0
AS18151 COMPUTER ENGINEERING & CONSULTING LTD. 0
AS18152 JPNIC 0
AS18261 JPNIC 0
AS18262 JPNIC 0
AS18269 Kai Creates Inc. 0
AS18270 Toin University of Yokohama 0
AS18273 JPNIC 0
AS18275 JPNIC 0
AS18280 JPNIC 0
AS18285 JPNIC 0
AS18286 Osaka City University 0
AS18287 OCV Odakyu Telecommunication Services 0
AS18288 JPNIC 0
AS23782 Fujitsu System Solutions Ltd 0
AS23797 IXO 0
AS38632 cross-connect niigata co.,ltd. 0
AS23800 Fukui National College of Technology 0
AS23814 WIDE Project 0
AS23815 Japan Internet Exchange Co., Ltd. 0
AS23830 Gaitame.com Co.,Ltd. 0
AS23612 AS23612 0
AS23617 Koutoku-Sangyou Co 0
AS23621 GINGA SYSTEM CO.,LTD 0
AS23622 Tsuru Gakuen 0
AS23625 TOKAI Communications Corporation 0
AS23626 Verizon Japan Ltd 0
AS23831 NISIOWARI CATV CORPORATION 0
AS23630 CAC Inc. 0
AS23636 AS23636 0
AS23638 AMIXCOM Inc. 0
AS23640 BBIX,Inc. 0
AS23643 AS23643 0
AS23787 AS23787 0
AS23789 AS23789 0
AS23792 AS23792 0
AS23802 AS23802 0
AS23803 The University of Tokyo 0
AS23806 Chupicom Hiroshima Corp. 0
AS23809 Televi Naruto .CO.,LTD 0
AS23810 IC-NET Corporation 0
AS23811 SIGA2009 0
AS23812 Japan Broadband Communications Corporation 0
AS23813 SORUN Corporation 0
AS23819 AS23819 0
AS23821 AS23821 0
AS23823 AS23823 0
AS23825 AS23825 0
AS23832 AS23832 0
AS23834 AS23834 0
AS23835 Sega Corporation 0
AS23926 Yahoo Inc. 0
AS24056 SINGTEL-EXPAN 0
AS24114 Equinix Asia Pacific 0
AS24258 AS24258 0
AS24266 AS24266 0
AS24267 AS24267 0
AS24269 AS24269 0
AS24272 AS24272 0
AS24281 NTT SmartConnect Corporation 0
AS24285 AS24285 0
AS24292 NS Solutions Corporation 0
AS24294 AS24294 0
AS2498 Block of 32 AS numbers from AS2497 to AS2528 0
AS2499 Japan Network Information Center 0
AS2502 The University of Tokyo 0
AS2503 Tohoku Open Internet Community 0
AS2507 Block of 32 AS numbers from AS2497 to AS2528 0
AS2509 Block of 32 AS numbers from AS2497 to AS2528 0
AS2517 Block of 32 AS numbers from AS2497 to AS2528 0
AS2520 Block of 32 AS numbers from AS2497 to AS2528 0
AS2521 IDC 0
AS2522 Japan Network Information Center 0
AS2524 EJWORKS CORPORATION 0
AS2525 Block of 32 AS numbers from AS2497 to AS2528 0
AS2528 Block of 32 AS numbers from AS2497 to AS2528 0
AS2713 AT&T Jens Corporation 0
AS2915 AT&T Jens Corporation 0
AS38630 NTT West R&D Center 0
AS3391 ASCIInet Corporation 0
AS3510 Real World Computing Partnership 0
AS3775 Global Network Solutions, IBM Japan, Ltd. 0
AS37890 AS37890 0
AS37894 AS37894 0
AS37895 Ryukoku University 0
AS37896 AS37896 0
AS37899 NIPPON TELEGRAPH AND TELEPHONE WEST CORPORATION 0
AS37901 NIPPON TELEGRAPH AND TELEPHONE EAST CORPORATION 0
AS37902 Nomura Research Institute, Ltd. 0
AS37904 Softbank Mobile Corp. 0
AS37909 Wakkanai Hokusei Gakuen University 0
AS37911 AS37911 0
AS37913 AS37913 0
AS37921 AS37921 0
AS37923 NTT Communications Corporation 0
AS37924 Ministry of Land, Infrastructure and Transport Kinki Regional Development Bureau 0
AS37925 USEN CORPORATION 0
AS37926 E-Times Technologies Co., Ltd. 0
AS37927 Nomura Researth Institute, Ltd. 0
AS38080 Foresightwave INC. 0
AS38610 APNIC R&D Centre JP 0
AS38637 AS38637 0
AS38640 SAKURA Internet Inc. 0
AS38644 INTERNET MULTIFEED CO. 0
AS38645 NTT Communications Corporation 0
AS38647 AS38647 0
AS38649 AS38649 0
AS38650 AS38650 0
AS38653 Japan Post Holdings Co., Ltd. 0
AS38655 SaiNet Corporation 0
AS38656 CSK Securities Service Co. 0
AS38910 JP Morgan Chase & Co. 0
AS4197 Yahoo Japan Corporation 0
AS4251 TWICS Co. Ltd. 0
AS4681 Yahoo Japan Corporation 0
AS45679 Tatsumi, Tomo 0
AS45681 GIGAPRIZE Co. 0
AS45139 Microsoft Corp 0
AS45436 Green Net Co., Ltd. 0
AS4682 SoftBank Mobile Corp. 0
AS45683 AS45683 0
AS45685 Rikkyo Gakuin Rikkyo University 0
AS45686 INTERNET MULTIFEED CO. 0
AS45689 Convivial Net 0
AS4683 Phase One, Inc. 0
AS4674 AS4674 0
AS4676 AS4676 0
AS4679 AS4679 0
AS4684 NTT PC Communications, Inc. 0
AS4687 AS4687 0
AS4688 Internet Initiative Japan Inc. 0
AS4689 AS4689 0
AS4691 Dream Train Internet Inc. 0
AS4692 InternetWare Co., LTD. 0
AS4696 AS4696 0
AS4698 InterLink Co., Ltd. 0
AS4699 AS4699 0
AS4700 Niji-Net Inc. 0
AS4701 AS4701 0
AS4702 AS4702 0
AS4703 AS4703 0
AS4705 AS4705 0
AS4706 AS4706 0
AS4707 AS4707 0
AS4708 Nippon Internet Access Inc. 0
AS4709 NetLaputa Corporation 0
AS4712 JAPAN TOBACCO INC. 0
AS4714 AS4714 0
AS4715 AS4715 0
AS4716 KDDI CORPORATION 0
AS4720 AS4720 0
AS4722 SoftBank Corp. 0
AS4724 AS4724 0
AS4726 AS4726 0
AS4727 KYODO PRINTING BUSINESS SOLUTIONS CO.,LTD 0
AS4728 AS4728 0
AS4731 AS4731 0
AS4732 KDDI CORPORATION 0
AS4733 SAISON INFORMATION SYSTEMS CO. 0
AS4734 AS4734 0
AS4735 AS4735 0
AS4785 xTom Limited 0
AS55395 Rakuten Communications Corp. 0
AS55372 University of the Ryukyus 0
AS55374 WIDE Project 0
AS55386 AS55386 0
AS55389 Japan Network Enabler Corporation 0
AS55457 A4 Ltd 0
AS55475 Impact Co Ltd 0
AS55901 Sony Computer Entertainment Inc 0
AS55903 Tokyo Stock Exchange, Inc. 0
AS55906 Ustream Asia, Inc. 0
AS55748 MORSE 0
AS55817 Nippon Telegraph and Telephone Corporation PF Labs 0
AS55892 DNPDC 0
AS55893 NTT DATA CORPORATION 0
AS55897 SAKURA Internet Inc. 0
AS55911 Tokuyama College of Technology 0
AS55935 erg Co. 0
AS56218 QGPOP2 0
AS56021 NetResource corporation 0
AS56022 MTA corporation 0
AS56023 SmartRams Co., Ltd. 0
AS56024 Biz-front Inc 0
AS56025 AMY INC 0
AS56029 CELL INC. 0
AS56033 Rakushasu Inc 0
AS59098 Cable DR Cloud Joint Venture 0
AS58646 FreeBit Co.,Ltd. 0
AS59100 Kochi Gakuen College 0
AS59106 SKYLINKS INC. 0
AS58790 ZENRIN DataCom Co.,LTD. 0
AS58531 Tibanne Co. Ltd. 0
AS58535 MarketPrizm BV 0
AS58728 Instream 0
AS58787 Comzware Inc 0
AS59119 HIDATAKAYAMA CABLE NETWORK INC. 0
AS59130 NTT Communications Corperation 0
AS63524 Equinix Asia Pacific 0
AS63775 AS63775 0
AS63776 AS63776 0
AS63777 AS63777 0
AS63778 AS63778 0
AS63779 AS63779 0
AS63780 AS63780 0
AS63781 AS63781 0
AS63782 AS63782 0
AS63783 AS63783 0
AS63784 AS63784 0
AS63785 AS63785 0
AS63786 AS63786 0
AS63787 AS63787 0
AS63788 AS63788 0
AS63789 AS63789 0
AS63790 AS63790 0
AS63791 AS63791 0
AS63792 AS63792 0
AS63793 AS63793 0
AS63794 AS63794 0
AS63795 AS63795 0
AS63796 AS63796 0
AS63797 AS63797 0
AS63798 AS63798 0
AS63799 AS63799 0
AS63800 AS63800 0
AS63801 AS63801 0
AS63802 AS63802 0
AS63803 AS63803 0
AS63804 AS63804 0
AS63805 AS63805 0
AS63806 AS63806 0
AS63807 AS63807 0
AS63808 AS63808 0
AS63809 AS63809 0
AS63978 Chi-X Japan Limited 0
AS7488 Yahoo Japan Corporation 0
AS7501 AS7501 0
AS7504 AS7504 0
AS7507 AS7507 0
AS7508 AS7508 0
AS7509 Hokkaido University 0
AS7510 AS7510 0
AS7512 WITH Network 0
AS7515 NTT Communications Corporation 0
AS7518 AS7518 0
AS7519 AS7519 0
AS7520 AS7520 0
AS7525 AS7525 0
AS7526 Mitsubishi Electric Information Network Corporation 0
AS7528 AS7528 0
AS7531 GenomeNet Project 0
AS7673 ejworks corporation 0
AS7688 Nippon Internet Access Inc. 0
AS7662 AS7662 0
AS7666 Mitsubishi Corporation 0
AS7669 DIGITAL TECHNOLOGIES CORPORATION 0
AS7675 AS7675 0
AS7680 AS7680 0
AS7681 AS7681 0
AS7683 trunk inc. 0
AS7685 AS7685 0
AS7689 AS7689 0
AS7691 AS7691 0
AS9222 Intel Online Services Asia 0
AS9225 Telstra Global - KK 0
AS9349 AS9349 0
AS9350 AS9350 0
AS9356 AS9356 0
AS9359 AS9359 0
AS9360 AS9360 0
AS9361 AS9361 0
AS9362 AS9362 0
AS9364 AS9364 0
AS9368 AS9368 0
AS9369 AS9369 0
AS9372 The University of Electro-Communications 0
AS9373 AS9373 0
AS9375 AS9375 0
AS9376 SMARTVALUE Co.,Ltd. 0
AS9377 AS9377 0
AS9379 AS9379 0
AS9380 Community Network Center Inc. 0
AS9602 Japan Network Information Center 0
AS9603 Japan Network Information Center 0
AS9594 Japan Network Information Center 0
AS9596 Japan Network Information Center 0
AS9598 NTT Communications Corporation 0
AS9599 EJWORKS CORPORATION 0
AS9592 SOFTBANK TELECOM Corp. 0
AS9606 Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency 0
AS9608 HAPPY JAPAN BiNAL INC. 0
AS9609 Ymobile Corporation 0
AS9610 Japan Network Information Center 0
AS9611 Japan Network Information Center 0
AS9612 Japan Network Information Center 0
AS9613 Japan Network Information Center 0
AS9616 WIDE Project 0
AS9620 Japan Network Information Center 0
AS9935 AT&T Global Network Services 0
AS9992 Japan Network Information Center 0
AS9994 Japan Network Information Center 0
AS9995 FirstServer, Inc. 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.