ıpdex
Japan

AS18128

RIKEN Unknown registered in Japan

1IPv4 prefixes
0IPv6 prefixes
#19,298AS Rank
326/326RIS visibility
#786Rank in Japan
2002-03-21Allocated

RIKEN (AS18128) — Unknown, registered in Japan. announces 1 IPv4 prefixes + 0 IPv6 prefixes. Rank in Japan: #786. Allocated: 2002-03-21.

Announced prefixes · 1

Routing: 1 IPv4 · 0 IPv6 announced · RIS visibility 326/326 RIS peers · RIPEstat · 2026-06-18

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 · 1

  • AS2907 Research Organization of Information and Systems, National Institute of Informatics
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