AS400066

Name: AS400066 — Michigan State University
Creator: ipdex

Michigan State University Unknown registered in United States

2IPv4 prefixes

2IPv6 prefixes

50%RPKI-valid

#78,875AS Rank

327/327RIS visibility

#6,069Rank in United States

2021-09-22Allocated

Michigan State University (AS400066) — Unknown, registered in United States. announces 2 IPv4 prefixes + 2 IPv6 prefixes. Rank in United States: #6069. Allocated: 2021-09-22.

IPv4 2IPv6 2

Announced prefixes · 4

v4 35.11.80.0/20 valid
v4 35.11.95.0/24 valid
v6 2605:dd00:4000::/48 unknown
v6 2605:dd00:4002::/48 unknown

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

Routing: 2 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	4
2026-06-13	4

AS topology · Customer cone 1

Providers · 1

AS293 ESnet

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