AS17523

Name: AS17523 — Aoyama Gakuin University
Creator: ipdex

Aoyama Gakuin University Unknown registered in Japan

2IPv4 prefixes

2IPv6 prefixes

#19,011AS Rank

327/327RIS visibility

#470Rank in Japan

2000-12-12Allocated

Aoyama Gakuin University (AS17523) — Unknown, registered in Japan. announces 2 IPv4 prefixes + 2 IPv6 prefixes. Rank in Japan: #470. Allocated: 2000-12-12.

IPv4 2IPv6 2

Announced prefixes · 4

v4 133.2.0.0/17 unknown
v4 133.2.128.0/17 unknown
v6 2001:df7:7800:8000::/49 unknown
v6 2001:df7:7800::/49 unknown

Routing: 2 IPv4 · 0 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	4
2026-06-13	4

AS topology · Customer cone 1

Providers · 1

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

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