AS3379 Kaiser Foundation Health Plan, Inc.

KAISER-NCAL - Kaiser Foundation Health Plan, Inc. · registered in the United States

IPv4 addresses26,88020 prefixes · <0.001% of announced IPv4

Rank in United States#1,866largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#5,255of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryUnited States18,679 ASNs registered there

Open AS3379 in ASN lookup Look up an IP in this network (12.138.248.1) All networks in United States

IPv4 prefixes

All 20 prefixes, in address order.

12.138.248.0/24
12.160.226.0/24
12.222.26.0/24
162.119.0.0/22
162.119.5.0/24
162.119.6.0/23
162.119.8.0/24
162.119.11.0/24
162.119.13.0/24
162.119.14.0/23
162.119.16.0/22
162.119.128.0/19
162.119.160.0/22
162.119.178.0/23
162.119.224.0/19
198.140.8.0/21
199.16.0.0/22
199.16.4.0/23
199.16.6.0/24
199.16.7.0/24

IPv6 prefixes

All 1 prefix.

2620:190::/32

Other ASNs named Kaiser Foundation Health Plan, Inc.

1 other network uses the same organisation name; together with AS3379 they announce 28,160 IPv4 addresses.

ASNNameIPv4 addresses

AS32974ASN-GHC - Kaiser Foundation Health Plan, Inc. US1,280

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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