Nej.cz s.r.o.
Limited data: only 3 ranges found registered
under this exact name. This may not reflect the organisation's full internet footprint — many companies'
web and cloud infrastructure is hosted under a third-party provider's own registration rather than their own.
Cluster stats
| Netblocks | 3 |
| Cluster ID | 194030990 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Shared handles | clustered on 6 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works | |
IP Ranges (3)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 5.59.194.0/24 | Nej.cz s.r.o. | RIPE | ASSIGNED PA | ● high |
| 5.59.195.0/24 | Nej.cz s.r.o. | RIPE | ASSIGNED PA | ● high |
| 2a02:350::/32 | Nej.cz s.r.o. | RIPE | ALLOCATED-BY-LIR | ● low |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(3 of 3)
Possible discrepancies (3)
These blocks are registered to Nej.cz s.r.o. but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 2a02:350::/32 /32 | authorized for AS16246 — O2 Czech Republic, a.s. |
| 5.59.194.0/24 /24 | authorized for AS49985 — IP4ISP z.s.p.o |
| 5.59.195.0/24 /24 | authorized for AS49985 — IP4ISP z.s.p.o |
NIC Handles
COPROSYS-MNT
DUMY-RIPE
DUMY-RIPE
MNT-RIOMEDIA
ORG-Cs1-RIPE
ORG-NEJ1-RIPE