AS29721 Cedars-Sinai Health Systems

CSHS-ELSEGUNDO - Cedars-Sinai Health Systems · registered in the United States

IPv4 addresses5122 prefixes · <0.001% of announced IPv4

Rank in United States#11,228largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#50,729of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS29721 in ASN lookup Look up an IP in this network (192.203.41.1) All networks in United States

IPv4 prefixes

All 2 prefixes, in address order.

192.203.41.0/24
192.231.86.0/24

Other ASNs named Cedars-Sinai Health Systems

1 other network uses the same organisation name; together with AS29721 they announce 1,280 IPv4 addresses.

ASNNameIPv4 addresses

AS22328CSHS - Cedars-Sinai Health Systems US768

Similar-sized networks in United States

ASNNameIPv4 addresses

AS29656#11225 CCBILL-EU PHOENIX NAP, LLC.512

AS29708#11226 FINANCIAL-SECURITY-ASSURANCE - Assured Guaranty Corp512

AS29711#11227 CENTURA-HEALTH - Centura Health Corporation512

AS29726#11229 VONAGE-02 - Vonage Holdings, Inc.512

AS29746#11230 S3PL-ASN - S3 Partners LLC512

AS29750#11231 ALASKA-AIRGROUP-IGQ - Alaska Airlines, Inc.512

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