ıpdex
Japan

AS131897

National University Corporation ,Ehime University Unknown registered in Japan

1IPv4 prefixes
0IPv6 prefixes
#44,191AS Rank
327/327RIS visibility
#786Rank in Japan
2011-08-04Allocated

National University Corporation ,Ehime University (AS131897) — Unknown, registered in Japan. announces 1 IPv4 prefixes + 0 IPv6 prefixes. Rank in Japan: #786. Allocated: 2011-08-04.

Announced prefixes · 1

Routing: 1 IPv4 · 0 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-17

Prefix history

0 0.5 1 2026-06-12 2026-06-13
Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)
Data table
DayAnnounced prefixes
2026-06-121
2026-06-131

AS topology · Customer cone 1

Providers · 2

  • AS2907 Research Organization of Information and Systems, National Institute of Informatics
  • AS18260 EHIME CATV CO.,LTD.
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