Blue Cross and Blue Shield of Massachusetts, Inc.
GLEIF verified
LEI
5493000TCTN0M1X5OU18
Registered name
Blue Cross and Blue Shield of Massachusetts, Inc.
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 9 |
| All fragments | 23 blocks across 4 clusters |
| Cluster ID | 191677948 |
| Registry | BGP |
| Owner jurisdiction | US-DE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 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 | |
Footprint over time
2 weekly snapshots · JSON
9
0 netblocks since 2026-07-05
2026-07-05
peak 9
2026-07-06
IP Ranges (9)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 216.118.176.0/20 | Blue Cross and Blue Shield of Massachusetts, Inc. | ARIN | ● high | |
| 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 |
| 216.231.64.0/19 | Blue Cross and Blue Shield of Massachusetts, Inc. | ARIN | ● 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 |
NIC Handles
AS32165
BCBSM-3
BCBSM-4
ENS8-ARIN
ENS8-ARIN
ENS8-ARIN
HB194-ARIN
TC791-ARIN
URLAD-ARIN
URLAD-ARIN
URLAD-ARIN