Castor Enterprise Sp. z o.o.
Cluster stats
| Netblocks | 2 |
| All fragments | 41 blocks across 6 clusters |
| Cluster ID | 194136527 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Shared handles | clustered on 5 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works | |
IP Ranges (2)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 185.139.40.0/22 | Castor Enterprise Sp. z o.o. | RIPE | ALLOCATED PA | ● low |
| 2a07:13c0::/29 | Castor Enterprise Sp. z o.o. | RIPE | ALLOCATED-BY-RIR | ● low |
Network trust
what's this?
RPKI hygiene: C
how networks compare →
50.0%
of checked blocks have valid RPKI ROA coverage
(1 of 2)
Possible discrepancies (1)
These blocks are registered to Castor Enterprise Sp. z o.o. 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.
| 185.139.40.0/22 /22 | authorized for AS197667 — Telekom System sp.z o.o. |
NIC Handles
DUMY-RIPE
DUMY-RIPE
ORG-CESZ1-RIPE
RIPE-NCC-HM-MNT
pl-castor-1-mnt