AS31975 University of the South

SEWANEE - University of the South · registered in the United States

IPv4 addresses16,3846 prefixes · <0.001% of announced IPv4

Rank in United States#2,376largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#7,046of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS31975 in ASN lookup Look up an IP in this network (152.97.0.1) All networks in United States

IPv4 prefixes

All 6 prefixes, in address order.

152.97.0.0/20
152.97.16.0/21
152.97.24.0/22
152.97.28.0/23
152.97.30.0/23
152.97.32.0/19

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AS32809#2378 DRN-AS - Dickey Rural Networks16,384

AS32907#2379 STTHOMAS - University of St. Thomas16,384

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