Blue Cross Blue Shield of North Dakota
Data as of 2026-07-26
BGP inherited
Cluster stats
| Netblocks | 1 · 2,048 IPv4 addresses |
| All fragments | 41 blocks across 9 clusters |
| Cluster ID | 214419516 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| 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 · report an issue | |
IP Ranges (1)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 199.253.128.0/21 | Blue Cross Blue Shield of North Dakota | BGP | ANNOUNCED | ● high |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(2 of 2)
Possible discrepancies (2)
These blocks are registered to Blue Cross Blue Shield of North Dakota but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 199.253.128.0/21 /21 | authorized for AS209 — CenturyLink Communications, LLC |
| 199.253.128.0/21 /21 | authorized for AS209 — CenturyLink Communications, LLC |
NIC Handles
ABUSE8451-ARIN
AS13660
BCBSND-Z
FRANK68-ARIN
JPI130-ARIN
NDNA-ARIN
NDNT-ARIN