AS396077 UDR

UDR-US - UDR · registered in the United States

IPv4 addresses5122 prefixes · <0.001% of announced IPv4

Rank in United States#12,245largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#58,206of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS396077 in ASN lookup Look up an IP in this network (204.8.180.1) All networks in United States

IPv4 prefixes

All 2 prefixes, in address order.

204.8.180.0/24
204.10.190.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

AS396063#12242 APJ-PUBLIC - HEWLETT PACKARD ENTERPRISE COMPANY512

AS396066#12243 PASCO-COUNTY-BOCC - Pasco County Board of County Commissioners512

AS396072#12244 SCAG - Southern California Association of Governments512

AS396083#12246 ARVUS-160-84 - Framatome Inc.512

AS396085#12247 SUPERIOR-LIVESTOCK-AUCTION - Superior Livestock Auction, LLC512

AS396086#12248 HAMPSHIRE-CAMPUS - Hampshire College512

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