206208 looking glass

AS2907 Science Information Network 🇯🇵 JP

Research Organization of Information and Systems, National Institute of Informatics. Announcing 607 prefixes, seen at the RIS collectors.

IPv4 prefixes
605
8,960,512 (35,002 × /24)
IPv6 prefixes
2
2 × /32
Upstreams
5
transit providers observed
Peers
10
settlement-free adjacencies
Downstreams
96
transit customers observed
Customer cone
2,640
ASes reachable through it

Registry and operator data

AS number
AS2907
Name
Science Information Network
Organisation
National Institute of Informatics
Country
🇯🇵 JP
RIR
APNIC
Allocated
2002-08-01
Network type
Educational/Research
Scope
Asia Pacific
Peering policy
Selective
IRR as-set
JPIRR::AS2907:AS-SINET
Website
http://www.sinet.ad.jp/
PeeringDB
net/7609
Exchanges
7

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

40 valid (6.6%) 0 invalid (0.0%) 567 no ROA (93.4%)

Upstreams

Networks seen providing transit to this one

Network Country Cone IPv4 prefixes Paths Source
AS9002 RETN Limited 🇬🇧 GB 50,700 19 4 inferred
AS15412 Flag Telecom UK Limited 🇬🇧 GB 43,396 19 4 inferred
AS2497 Internet Initiative Japan Inc. 🇯🇵 JP 21,733 242 29,066 CAIDA

Peers

Adjacencies that look settlement-free rather than transit

Network Country Cone IPv4 prefixes Paths Source
AS6939 Hurricane Electric LLC 🇺🇸 US 53,695 235 7,356 CAIDA
AS8966 Etisalat (E&) 🇦🇪 AE 43,307 49 999 CAIDA
AS20485 TransTeleCom JSC 🇷🇺 RU 28,243 85 841 CAIDA
AS24482 SG.GS 🇸🇬 SG 4,706 45 1,085 CAIDA
AS2500 WIDE Project 🇯🇵 JP 2,531 3 2 CAIDA
AS11537 Internet2 🇺🇸 US 2,222 23 952 CAIDA
AS7575 Australian Academic and Research Network (AARNet) 🇦🇺 AU 546 202 1,166 CAIDA
AS17639 Converge ICT Solutions Inc. 🇵🇭 PH 267 567 1,088 CAIDA
AS2153 CENIC 🇺🇸 US 53 11 798 CAIDA
AS1103 SURF B.V. 🇳🇱 NL 29 99 1,096 CAIDA
AS38001 NewMedia Express Pte. Ltd. 🇸🇬 SG 27 68 1,052 CAIDA

Downstreams

Networks this one appears to provide transit to

Network Country Cone IPv4 prefixes Paths Source
AS7660 Asia Pacific Advanced Network - Japan 🇯🇵 JP 2,514 2 800 CAIDA
AS24287 National Institute of Informatics 🇯🇵 JP 1,324 1 73 CAIDA
AS59103 SoftEther Corporation 🇯🇵 JP 38 9 513 CAIDA
AS63798 Industrial Cyber Security Center of Excellence 🇯🇵 JP 12 2 676 CAIDA
AS63770 Industrial Cyber Security Center of Excellence 🇯🇵 JP 2 9 447 CAIDA
AS58647 Kagawa University 🇯🇵 JP 0 185 7,692 CAIDA
AS23793 National Institute of Advanced Industrial Science and Technology 🇯🇵 JP 0 16 675 CAIDA
AS2506 NTT business Solutions corporation 🇯🇵 JP 0 15 581 CAIDA
AS18124 Okayama University of Science 🇯🇵 JP 0 10 387 CAIDA
AS3488 Japan Aerospace Exploration Agency 🇯🇵 JP 0 9 381 CAIDA
AS18148 Fukuoka University 🇯🇵 JP 0 8 374 CAIDA
AS131159 Yamagata University 🇯🇵 JP 0 6 272 CAIDA
AS151388 SoftEther Corporation (SE-JIKKEN-AS) 🇯🇵 JP 0 4 232 CAIDA
AS2501 The University of Tokyo 🇯🇵 JP 0 4 229 CAIDA
AS58652 Kochi University 🇯🇵 JP 0 5 215 CAIDA
AS45688 The University of Tokyo Interfaculty Initiative in Information Studies 🇯🇵 JP 0 5 210 CAIDA
AS37918 NTT, Inc. 🇯🇵 JP 0 21 196 CAIDA
AS55912 University of Kochi 🇯🇵 JP 0 3 192 CAIDA
AS131981 Takushoku University 🇯🇵 JP 0 6 172 CAIDA
AS23781 Toyama University 🇯🇵 JP 0 4 171 CAIDA
AS2505 High Energy Accelerator Research Organization, KEK 🇯🇵 JP 0 4 170 CAIDA
AS2504 Kyoto University 🇯🇵 JP 0 4 170 CAIDA
AS2523 Internet Technology Research Consortium 🇯🇵 JP 0 3 162 CAIDA
AS55379 Hosei University 🇯🇵 JP 0 3 161 CAIDA
AS18087 Toyo University 🇯🇵 JP 0 4 161 CAIDA
AS55390 Tokyo University of Science 🇯🇵 JP 0 3 161 CAIDA
AS63785 Fukuoka University 🇯🇵 JP 0 2 146 CAIDA
AS38635 Keio University 🇯🇵 JP 0 2 134 CAIDA
AS38641 Osaka Sangyo University 🇯🇵 JP 0 3 129 CAIDA
AS7509 Hokkaido University 🇯🇵 JP 0 3 128 CAIDA
AS17687 National University Corporation Nagoya University 🇯🇵 JP 0 3 128 CAIDA
AS37889 J-PARC Center 🇯🇵 JP 0 3 126 CAIDA
AS23826 Daido University 🇯🇵 JP 0 3 126 CAIDA
AS24261 Mie University 🇯🇵 JP 0 3 118 CAIDA
AS55904 KOGAKUIN University 🇯🇵 JP 0 3 118 CAIDA
AS18267 Doshisha University 🇯🇵 JP 0 2 118 CAIDA
AS9367 Institute of Science Tokyo 🇯🇵 JP 0 2 116 CAIDA
AS37917 University of Tsukuba 🇯🇵 JP 0 3 110 CAIDA
AS17701 Seinan Gakuin University 🇯🇵 JP 0 3 99 CAIDA
AS9355 National Institute of Information and Communications Technology 🇯🇵 JP 0 2 88 inferred
AS59104 Soka University 🇯🇵 JP 0 3 86 CAIDA
AS17523 Aoyama Gakuin University 🇯🇵 JP 0 2 86 CAIDA
AS4729 Japan Atomic Energy Agency 🇯🇵 JP 0 2 86 CAIDA
AS131919 Meiji University 🇯🇵 JP 0 3 86 CAIDA
AS59096 Meiji Gakuin University 🇯🇵 JP 0 2 86 CAIDA
AS4730 Osaka University 🇯🇵 JP 0 2 86 CAIDA
AS131158 Nara Institute of Science and Technology, National University Corporation 🇯🇵 JP 0 2 86 CAIDA
AS18123 INAOKI EDUCATIONAL INSTITUTION 🇯🇵 JP 0 2 85 CAIDA
AS18091 Teikyo University 🇯🇵 JP 0 3 84 CAIDA
AS150358 Tokyo Woman's Christian University 🇯🇵 JP 0 3 84 CAIDA
AS9591 National Institute for Fusion Science 🇯🇵 JP 0 2 75 CAIDA
AS58785 Tohoku Gakuin University 🇯🇵 JP 0 1 75 CAIDA
AS55909 National Institute of Technology, Kochi College 🇯🇵 JP 0 1 74 CAIDA
AS131895 Okinawa Institute of science and technology 🇯🇵 JP 0 1 74 CAIDA
AS152870 Incorporated Educational Institution Kaichigakuen 🇯🇵 JP 0 1 68 CAIDA
AS59115 CYBERDYNE Inc. 🇯🇵 JP 0 1 63 CAIDA
AS131946 MUSASHINO UNIVERSITY E.F. 🇯🇵 JP 0 3 51 CAIDA
AS59111 Akita International University 🇯🇵 JP 0 1 45 CAIDA
AS45685 Rikkyo Gakuin Rikkyo University 🇯🇵 JP 0 1 43 CAIDA
AS37910 Chubu University 🇯🇵 JP 0 1 43 CAIDA
AS55380 Kanazawa University 🇯🇵 JP 0 1 43 CAIDA
AS24254 Kyoto Sangyo University 🇯🇵 JP 0 1 43 CAIDA
AS23807 Ritsumeikan University 🇯🇵 JP 0 1 43 CAIDA
AS23623 Chuo University 🇯🇵 JP 0 1 43 CAIDA
AS58784 Rissho University 🇯🇵 JP 0 1 43 CAIDA
AS23615 University of Shizuoka 🇯🇵 JP 0 1 43 CAIDA
AS18276 Kansai University 🇯🇵 JP 0 1 43 CAIDA
AS18128 RIKEN 🇯🇵 JP 0 1 43 CAIDA
AS63777 National Institutes of Natural Sciences National Astronomical Observatory of JAPAN 🇯🇵 JP 0 1 43 CAIDA
AS63783 Chiba University of Commerce 🇯🇵 JP 0 3 43 CAIDA
AS17960 University of the Ryukyus 🇯🇵 JP 0 1 43 CAIDA
AS17946 Gifu University 🇯🇵 JP 0 1 43 CAIDA
AS2513 Japan Science and Technology Agency 🇯🇵 JP 0 1 43 CAIDA
AS152861 Chiba Institute of Technology 🇯🇵 JP 0 1 43 CAIDA
AS2508 Kyushu University 🇯🇵 JP 0 1 43 CAIDA
AS131961 Dokkyo University 🇯🇵 JP 0 3 42 CAIDA
AS18279 Bukkyo University 🇯🇵 JP 0 1 42 CAIDA
AS151350 NIPPON COMMUNICATIONS INC. 🇯🇵 JP 0 1 42 CAIDA
AS151390 RUTILEA, Inc. 🇯🇵 JP 0 1 42 CAIDA
AS55373 Foundation for Biomedical Research and Innovation at Kobe 🇯🇵 JP 0 1 42 CAIDA
AS24264 Kanazawa Institute of Technology 🇯🇵 JP 0 1 39 CAIDA
AS24268 National University Corporation Shizuoka University 🇯🇵 JP 0 1 38 CAIDA
AS24260 Board of trusty: Kinjo-Gakuen 🇯🇵 JP 0 1 37 CAIDA
AS17956 WASEDA University 🇯🇵 JP 0 1 36 CAIDA
AS18125 Tsukuba Business-Academia Cooperation Support Center, 🇯🇵 JP 0 1 32 CAIDA
AS10014 Nihon University 🇯🇵 JP 0 1 28 CAIDA
AS146980 Tokyo Metropolitan College of Industrial Technology Infomation System Engineering Course 🇯🇵 JP 0 1 23 CAIDA
AS9991 Hiroshima Shudo University 🇯🇵 JP 0 1 15 CAIDA
AS59091 Kanagawa Institute of Technology 🇯🇵 JP 0 1 15 CAIDA
AS18076 Institute of Advanced Media Arts and Sciences 🇯🇵 JP 0 1 14 CAIDA
AS131897 National University Corporation ,Ehime University 🇯🇵 JP 0 1 12 CAIDA
AS17932 Japan Advanced Institute of Science and Technology 🇯🇵 JP 0 2 11 CAIDA
AS150357 University of Nagasaki 🇯🇵 JP 0 1 7 CAIDA
AS55910 Shibaura Institute of Technology 🇯🇵 JP 0 1 5 CAIDA
AS24248 Wakayama University 🇯🇵 JP 0 1 5 CAIDA
AS17944 Japan Weather Association 🇯🇵 JP 0 5 4 CAIDA

Relationships marked inferred come from where the two networks sit on the AS paths the collectors see, which is a guess and is wrong for some of them. The rest are stated by CAIDA's published inference over a much wider set of collectors.