AS45688

Name: AS45688 — The University of Tokyo Interfaculty Initiative in Information Studies
Creator: ipdex

The University of Tokyo Interfaculty Initiative in Information Studies Unknown registered in Japan

5IPv4 prefixes

0IPv6 prefixes

#33,237AS Rank

327/327RIS visibility

#414Rank in Japan

2009-04-02Allocated

The University of Tokyo Interfaculty Initiative in Information Studies (AS45688) — Unknown, registered in Japan. announces 5 IPv4 prefixes + 0 IPv6 prefixes. Rank in Japan: #414. Allocated: 2009-04-02.

IPv4 5IPv6 0

Announced prefixes · 5

v4 133.69.160.0/22 unknown
v4 133.69.168.0/22 unknown
v4 133.69.172.0/22 unknown
v4 133.69.176.0/24 unknown
v4 133.69.184.0/24 unknown

Routing: 5 IPv4 · 0 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-18

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	5
2026-06-13	5

AS topology · Customer cone 1

Providers · 1

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

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