Premera Blue Cross
LEI
254900KWJY79FQ8UXW70
Registered name
Premera Blue Cross
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 10 |
| All fragments | 11 blocks across 2 clusters |
| Cluster ID | 191654110 |
| Registry | BGP |
| Owner jurisdiction | US-WA |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Legal identity | LEI 254900KWJY79FQ8UXW70 |
| Shared handles | clustered on 7 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
10
0 netblocks since 2026-07-05
2026-07-05
peak 10
2026-07-06
IP Ranges (10)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 199.187.64.0/23 | Premera Blue Cross | BGP | ANNOUNCED | ● high |
| 199.187.64.0 – 199.187.113.255 | Premera Blue Cross | ARIN | ● high | |
| 199.187.64.0/21 | Premera Blue Cross | BGP | ANNOUNCED | ● high |
| 199.187.66.0/23 | Premera Blue Cross | BGP | ANNOUNCED | ● high |
| 199.187.68.0/23 | Premera Blue Cross | BGP | ANNOUNCED | ● high |
| 199.187.70.0/24 | Premera Blue Cross | BGP | ANNOUNCED | ● high |
| 199.187.88.0/23 | Premera Blue Cross | BGP | ANNOUNCED | ● high |
| 199.187.89.0/24 | Premera Blue Cross | BGP | ANNOUNCED | ● high |
| 199.187.90.0/23 | Premera Blue Cross | BGP | ANNOUNCED | ● high |
| 199.187.91.0/24 | Premera Blue Cross | BGP | ANNOUNCED | ● high |
NIC Handles
AS29823
AS395778
AS399776
PBC-39
ZP99-ARIN
ZP99-ARIN
ZP99-ARIN