AS231

Name: AS231 — Michigan State University
Creator: ipdex

Michigan State University Unknown registered in United States

7IPv4 prefixes

2IPv6 prefixes

33%RPKI-valid

#7,796AS Rank

327/327RIS visibility

#3,482Rank in United States

2021-06-28Allocated

Michigan State University (AS231) — Unknown, registered in United States. announces 7 IPv4 prefixes + 2 IPv6 prefixes. Rank in United States: #3482. Allocated: 2021-06-28.

IPv4 7IPv6 2

Announced prefixes · 9

v4 192.108.188.0/24 unknown
v4 192.108.190.0/24 unknown
v4 192.108.191.0/24 unknown
v4 192.231.113.0/24 unknown
v4 35.12.240.0/21 valid
v4 35.20.0.0/14 valid
v4 35.8.0.0/13 valid
v6 2605:dd00:8000::/48 unknown
v6 2605:dd00::/32 unknown

RPKI: rpki.cloudflare.com · 2026-06-17

Routing: 7 IPv4 · 2 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	9
2026-06-13	9

AS topology · Customer cone 2

Providers · 3

AS11537 Internet2
AS11164 Internet2
AS237 Merit Network Inc.

Customers · 1

AS229 Merit Network Inc.

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