AS18087

Name: AS18087 — Toyo University
Creator: ipdex

Toyo University Unknown registered in Japan

4IPv4 prefixes

2IPv6 prefixes

#19,279AS Rank

327/327RIS visibility

#363Rank in Japan

2001-12-27Allocated

Toyo University (AS18087) — Unknown, registered in Japan. announces 4 IPv4 prefixes + 2 IPv6 prefixes. Rank in Japan: #363. Allocated: 2001-12-27.

IPv4 4IPv6 2

Announced prefixes · 6

v4 133.79.0.0/16 unknown
v4 133.79.0.0/17 unknown
v4 133.79.128.0/17 unknown
v4 133.79.192.0/20 unknown
v6 2001:df7:5600:8000::/52 unknown
v6 2001:df7:5600::/48 unknown

Routing: 4 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	6
2026-06-13	6

AS topology · Customer cone 1

Providers · 2

AS2519 ARTERIA Networks Corporation
AS2907 Research Organization of Information and Systems, National Institute of Informatics

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