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Japan

AS2907

Research Organization of Information and Systems, National Institute of Informatics Education registered in Japan

607IPv4 prefixes
2IPv6 prefixes
6%RPKI-valid
#442AS Rank
#5Rank in Japan
2002-08-01Allocated

Research Organization of Information and Systems, National Institute of Informatics (AS2907) — Education, registered in Japan. announces 607 IPv4 prefixes + 2 IPv6 prefixes. Rank in Japan: #5. Allocated: 2002-08-01.

Announced prefixes · 609

RPKI: rpki.cloudflare.com · 2026-06-20

— Routing status unavailable

Prefix history

0 250 500 2026-06-12 2026-06-20
Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)
Data table
DayAnnounced prefixes
2026-06-12608
2026-06-13608
2026-06-16609
2026-06-19609
2026-06-20609

Internet Exchanges · 7

AS topology · Customer cone 107

Providers · 2

  • AS2497 Internet Initiative Japan Inc.
  • AS23640 BBIX Route Servers

Peers · 33

Customers · 95

  • AS7660 Asia Pacific Advanced Network - Japan
  • AS59103 SoftEther Corporation
  • AS63798 Industrial Cyber Security Center of Excellence
  • AS24287 National Institute of Informatics
  • AS63770 Industrial Cyber Security Center of Excellence
  • AS2501 The University of Tokyo
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