AS400066 Michigan State University

FRIB-01 - Michigan State University · registered in the United States

IPv4 addresses4,0961 prefixes · <0.001% of announced IPv4

Rank in United States#4,570largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#15,509of 79,396 networks with IPv4

IPv62 x /482 prefixes

CountryUnited States18,679 ASNs registered there

Open AS400066 in ASN lookup Look up an IP in this network (35.11.80.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

35.11.80.0/20

IPv6 prefixes

All 2 prefixes.

2605:dd00:4000::/48
2605:dd00:4002::/48

Other ASNs named Michigan State University

1 other network uses the same organisation name; together with AS400066 they announce 787,456 IPv4 addresses.

ASNNameIPv4 addresses

AS231MISU-231 - Michigan State University US783,360

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IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources