AS22590 Island Health

SKAGIT-COUNTY-PHD-2-WA - Island Health · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#14,537largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#64,355of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS22590 in ASN lookup Look up an IP in this network (204.124.19.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

204.124.19.0/24

Other ASNs named Island Health

1 other network uses the same organisation name; together with AS22590 they announce 256 IPv4 addresses.

ASNNameIPv4 addresses

AS397962ISLAND-HEALTH - Island Health CAIPv6 only

Similar-sized networks in United States

ASNNameIPv4 addresses

AS22574#14534 COCONET - CocoNet Corporation256

AS22580#14535 GUARD - GUARD INSURANCE GROUP256

AS22583#14536 CBOE - Cboe256

AS22596#14538 CHR-823 - UNIVERSAL HEALTH SERVICES256

AS22597#14539 SKALA-NETWORKS - SKALA NETWORKS LLC256

AS22603#14540 SHARKBACKUP-DALLAS-03 - SharkBackup LLC256

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