AS47090 Intermountain Health Care, Inc.

SCLHS-47090 - Intermountain Health Care, Inc. · registered in the United States

IPv4 addresses65,0247 prefixes · 0.002% of announced IPv4

Rank in United States#1,335largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#3,499of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS47090 in ASN lookup Look up an IP in this network (170.188.0.1) All networks in United States

IPv4 prefixes

All 7 prefixes, in address order.

170.188.0.0/21
170.188.10.0/23
170.188.12.0/22
170.188.16.0/20
170.188.32.0/19
170.188.64.0/18
170.188.128.0/17

Other ASNs named Intermountain Health Care, Inc.

1 other network uses the same organisation name; together with AS47090 they announce 131,328 IPv4 addresses.

ASNNameIPv4 addresses

AS11052IHC-NET - Intermountain Health Care, Inc. US66,304

Similar-sized networks in United States

ASNNameIPv4 addresses

AS14737#1332 CCCOES - Colorado Community College and Occupational Education System65,024

AS14946#1333 BMHCC - Baptist Memorial Health Care Corporation65,024

AS18815#1334 AS-CITY-AND-COUNTY-OF-DENVER - CITY AND COUNTY OF DENVER65,024

AS64226#1336 MDURESOURCES - MDU Resources Group, Inc.65,024

AS7296#1337 AS-DYNASCALE-LAX - Dynascale Technologies, Inc.64,768

AS8036#1338 UTULSA-AS - University of Tulsa64,768

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