AS18124

Name: AS18124 — Okayama University of Science
Creator: ipdex

Okayama University of Science Unknown registered in Japan

10IPv4 prefixes

1IPv6 prefixes

#19,296AS Rank

327/327RIS visibility

#232Rank in Japan

2002-03-21Allocated

Okayama University of Science (AS18124) — Unknown, registered in Japan. announces 10 IPv4 prefixes + 1 IPv6 prefixes. Rank in Japan: #232. Allocated: 2002-03-21.

IPv4 10IPv6 1

Announced prefixes · 11

v4 150.55.0.0/16 unknown
v4 150.55.0.0/17 unknown
v4 150.55.0.0/18 unknown
v4 150.55.128.0/17 unknown
v4 150.55.128.0/18 unknown
v4 150.55.128.0/21 unknown
v4 150.55.128.0/22 unknown
v4 150.55.132.0/22 unknown
v4 150.55.192.0/18 unknown
v4 150.55.64.0/18 unknown
v6 2001:df0:3d80::/48 unknown

Routing: 10 IPv4 · 1 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-17

Prefix history

Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)

Data table

Day	Announced prefixes
2026-06-12	11
2026-06-13	11

AS topology · Customer cone 1

Providers · 2

AS2907 Research Organization of Information and Systems, National Institute of Informatics
AS7670 Enecom,Inc.

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