AS402260 University of Colorado Medicine

DR-ASN01 - University of Colorado Medicine · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#18,217largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#79,211of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS402260 in ASN lookup Look up an IP in this network (63.233.196.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

63.233.196.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

AS402232#18214 ADMA-ASN-01 - ADMA BIOMANUFACTURING, LLC256

AS402249#18215 BOLD-UWM-HED - Apogee Telecom Inc.256

AS402250#18216 BOLD-MUST-HED - Apogee Telecom Inc.256

AS402261#18218 MWH-ASN-01 - Midwest Hose & Specialty256

AS402263#18219 MOGATREV-CO1 - Mogatrev LLC256

AS402272#18220 CORSTL - Collector of Revenue256

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