AS21951 St. Olaf College

STOLAF - St. Olaf College · registered in the United States

IPv4 addresses2,0482 prefixes · <0.001% of announced IPv4

Rank in United States#6,073largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#22,518of 79,396 networks with IPv4

IPv6256 x /481 prefixes

CountryUnited States18,679 ASNs registered there

Open AS21951 in ASN lookup Look up an IP in this network (162.210.88.1) All networks in United States

IPv4 prefixes

All 2 prefixes, in address order.

162.210.88.0/22
199.91.180.0/22

IPv6 prefixes

All 1 prefix.

2620:132:b000::/40

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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