Autonomous system profile

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

AS54174

Announcement observedARIN

BlueCross BlueShield of Tennessee · BCBST

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

Last active10/5/2026, 02:13:45Snapshot expired

View network topology RDAP registration

ASN: AS54174
Registration country: United States
Name: BlueCross BlueShield of Tennessee
Abbreviation: BCBST
Registration date: 10/27/2011, 16:30:12
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
208.21.37.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/4/2026, 16:00:00	✓	×	Currently valid
45.43.101.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/4/2026, 16:00:00	✓	×	Currently valid
67.98.187.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/4/2026, 16:00:00	✓	×	Currently valid

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

Registration and sources

Organization: BlueCross BlueShield of Tennessee
RIR: ARIN
Registration country: United States
Registration date: 10/27/2011, 16:30:12
Abuse contact: WNINetworkEngrTeam@bcbst.com

Snapshot trend

10/5/2026, 02:13:453 v40 v62 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