AS397150 Union Hospital, Inc.

UNION-HEALTH-SYSTEM - Union Hospital, Inc. · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#17,212largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#78,081of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS397150 in ASN lookup Look up an IP in this network (63.134.186.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

63.134.186.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

AS397134#17209 AIRONET-1 - AiroNet256

AS397141#17210 VIS-LLC-SC - VIS LLC256

AS397149#17211 SDSU-SNAPDRAGON - San Diego State University256

AS397154#17213 GRANULES-CONSUMER-HEALTH-NET - Granules Consumer Health256

AS397158#17214 RCS-CO-LO-BGP - Resurgent Capital Services LP256

AS397167#17215 PHS-NM - Presbyterian Healthcare Services256

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