Blue Cross Blue Shield of Illinois or Blue Cross Blue Shield of Texas

Data as of 2026-07-26
BGP inherited
Cluster stats
Netblocks10 · 2,304 IPv4 addresses
All fragments 41 blocks across 9 clusters
Cluster ID214445353
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 12 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

6 weekly snapshots · JSON
10 -1 netblocks since 2026-07-05
2026-07-05 peak 11 2026-07-26

IP Ranges (10)

⬇ export CSV
CIDR Org name Registry Status Confidence
8.17.21.0/24 Blue Cross Blue Shield of Illinois or Blue Cross Blue Shield of Texas BGP ANNOUNCED ● high
63.215.122.0/24 Blue Cross Blue Shield of Illinois or Blue Cross Blue Shield of Texas BGP ANNOUNCED ● high
205.172.132.0/24 Blue Cross Blue Shield of Illinois or Blue Cross Blue Shield of Texas BGP ANNOUNCED ● high
205.172.133.0/24 Blue Cross Blue Shield of Illinois or Blue Cross Blue Shield of Texas BGP ANNOUNCED ● high
205.172.134.0/24 Blue Cross Blue Shield of Illinois or Blue Cross Blue Shield of Texas BGP ANNOUNCED ● high
208.79.24.0/24 Blue Cross Blue Shield of Illinois or Blue Cross Blue Shield of Texas BGP ANNOUNCED ● high
208.79.25.0/24 Blue Cross Blue Shield of Illinois or Blue Cross Blue Shield of Texas BGP ANNOUNCED ● high
208.79.26.0/24 Blue Cross Blue Shield of Illinois or Blue Cross Blue Shield of Texas BGP ANNOUNCED ● high
208.79.27.0/24 Blue Cross Blue Shield of Illinois or Blue Cross Blue Shield of Texas BGP ANNOUNCED ● high
208.79.24.0/22 Blue Cross Blue Shield of Illinois or Blue Cross Blue Shield of Texas ARIN DIRECT ALLOCATION ● low

NIC Handles

AS21608 AS23494 AS399432 AS399433 AS399721 AS399722 BARRK5-ARIN BARRK5-ARIN HSCBCBI MSA111-ARIN MSA111-ARIN MSA111-ARIN