AS399317 Columbia Basin Hospital

GCPHD-CBH - Columbia Basin Hospital · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#17,656largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#78,586of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS399317 in ASN lookup Look up an IP in this network (192.131.81.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

192.131.81.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

AS399299#17653 STEARNSBANK-AS-01 - Stearns Financial Services, Inc256

AS399303#17654 VOLLI878463 - Volli Communications, Inc256

AS399311#17655 FRONTIER-CORP - Frontier Networks Corp256

AS399321#17657 HELLO-DEFENDEDGE-01 - Defend Edge256

AS399328#17658 ALLCOM-TELECOM-AIRCOM - Allcom Telecom, Inc.256

AS399329#17659 ENDRIES-ASN-01 - Endries International, Inc.256

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