AS27391 Washington Corporations

WASHCORP-AS1 - Washington Corporations · registered in the United States

IPv4 addresses3,5844 prefixes · <0.001% of announced IPv4

Rank in United States#5,063largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#17,177of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS27391 in ASN lookup Look up an IP in this network (216.240.112.1) All networks in United States

IPv4 prefixes

All 4 prefixes, in address order.

216.240.112.0/22
216.240.116.0/22
216.240.120.0/22
216.240.124.0/23

Other ASNs named Washington Corporations

1 other network uses the same organisation name; together with AS27391 they announce 4,096 IPv4 addresses.

ASNNameIPv4 addresses

AS396289WASHCORP-AS2 - Washington Corporations US512

Similar-sized networks in United States

ASNNameIPv4 addresses

AS26630#5060 LPS-3 - Black Knight IP Holding Company, LLC3,584

AS26646#5061 TRAVELCLICKCORP1 - TravelCLICK Inc.3,584

AS27080#5062 DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD)3,584

AS27615#5064 HOVRS - Purple Language Services Co.3,584

AS29709#5065 NEONET-FALLS - Northeast Ohio Network for Educational Technology3,584

AS30678#5066 STATEFARMINSCO-2 - State Farm Mutual Automobile Insurance Company3,584

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