ıpdex
Japan

AS7660

Asia Pacific Advanced Network - Japan Education registered in Japan

2IPv4 prefixes
2IPv6 prefixes
100%RPKI-valid
#50AS Rank
327/327RIS visibility
#470Rank in Japan
1997-11-13Allocated

Asia Pacific Advanced Network - Japan (AS7660) — Education, registered in Japan. announces 2 IPv4 prefixes + 2 IPv6 prefixes. Rank in Japan: #470. Allocated: 1997-11-13.

Announced prefixes · 4

RPKI: rpki.cloudflare.com · 2026-06-17

Routing: 2 IPv4 · 2 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-17

Prefix history

0 2 4 2026-06-12 2026-06-14
Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)
Data table
DayAnnounced prefixes
2026-06-124
2026-06-134
2026-06-144

Internet Exchanges · 2

AS topology · Customer cone 1,510

Providers · 3

  • AS2516 KDDI CORPORATION
  • AS2500 WIDE Project
  • AS2907 Research Organization of Information and Systems, National Institute of Informatics

Peers · 12

Customers · 11

  • AS11537 Internet2
  • AS23855 Singapore Advanced Research and Education Network
  • AS9821 Department of Science and Technology
  • AS24490 Trans-Eurasia Information Network (TEIN2) - SG
  • AS9270 National Infomation Society Agency
  • AS9264 Academia Sinica
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