Blue Cross and Blue Shield of Massachusetts, Inc.

Data as of 2026-07-26
GLEIF verified
LEI
5493000TCTN0M1X5OU18
Registered name
Blue Cross and Blue Shield of Massachusetts, Inc.
Jurisdiction
US-DE
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks9 · 12,288 IPv4 addresses
All fragments 26 blocks across 5 clusters
Cluster ID214482949
RegistryBGP
Owner jurisdictionUS-DE
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 5493000TCTN0M1X5OU18
Shared handles clustered on 11 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
9 0 netblocks since 2026-07-05
2026-07-05 peak 9 2026-07-26

IP Ranges (9)

⬇ export CSV
CIDR Org name Registry Status Confidence
216.118.177.0/24 Blue Cross and Blue Shield of Massachusetts, Inc. BGP ANNOUNCED ● high
216.118.182.0/24 Blue Cross and Blue Shield of Massachusetts, Inc. BGP ANNOUNCED ● high
216.118.190.0/24 Blue Cross and Blue Shield of Massachusetts, Inc. BGP ANNOUNCED ● high
216.118.191.0/24 Blue Cross and Blue Shield of Massachusetts, Inc. BGP ANNOUNCED ● high
216.231.77.0/24 Blue Cross and Blue Shield of Massachusetts, Inc. BGP ANNOUNCED ● high
216.231.83.0/24 Blue Cross and Blue Shield of Massachusetts, Inc. BGP ANNOUNCED ● high
216.231.91.0/24 Blue Cross and Blue Shield of Massachusetts, Inc. BGP ANNOUNCED ● high
216.118.176.0/20 Blue Cross and Blue Shield of Massachusetts, Inc. ARIN DIRECT ALLOCATION ● low
216.231.64.0/19 Blue Cross and Blue Shield of Massachusetts, Inc. ARIN DIRECT ALLOCATION ● low

Domains hosted in this network

what's this?
bluecrossma.com

NIC Handles

AS32165 BCBSM-3 BCBSM-4 ENS8-ARIN ENS8-ARIN ENS8-ARIN HB194-ARIN TC791-ARIN URLAD-ARIN URLAD-ARIN URLAD-ARIN