Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS63174

Announcement observedARIN

Blue Shield of California · LAS-COLO2

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active10/6/2026, 11:49:56Snapshot expired

View network topology RDAP registration

ASN: AS63174
Registration country: United States
Name: Blue Shield of California
Abbreviation: LAS-COLO2
Registration date: 8/28/2014, 19:34:46
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
165.253.144.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Historical record
165.253.43.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Historical record
165.253.64.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Historical record

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: Blue Shield of California
RIR: ARIN
Registration country: United States
Registration date: 8/28/2014, 19:34:46
Abuse contact: abuse@blueshieldca.com

Snapshot trend

10/6/2026, 11:49:563 v40 v65 Upstream · 0 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · iana-rdap-asn-bootstrap · rir-rdap-asn