AS20105 University of Richmond

URICHMOND - University of Richmond · registered in the United States

IPv4 addresses65,5365 prefixes · 0.002% of announced IPv4

Rank in United States#1,180largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#3,222of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS20105 in ASN lookup Look up an IP in this network (141.166.0.1) All networks in United States

IPv4 prefixes

All 5 prefixes, in address order.

141.166.0.0/17
141.166.128.0/20
141.166.144.0/20
141.166.160.0/19
141.166.192.0/18

Similar-sized networks in United States

ASNNameIPv4 addresses

AS19464#1177 WASHINGTON-AND-LEE - Washington & Lee University65,536

AS19820#1178 REXAM-ASN01 - Ball Corporation65,536

AS19933#1179 BUFFALOSTATE - Buffalo State College65,536

AS20126#1181 UC-DOM - University of Cincinnati65,536

AS20162#1182 UTDALLAS - University of Texas at Dallas65,536

AS20239#1183 MNPOWER-ASN - ALLETE, Inc.65,536

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