CRR-CZ
BGP inherited
Cluster stats
| Netblocks | 8 |
| Cluster ID | 210509765 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 3 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
5 weekly snapshots · JSON
8
0 netblocks since 2026-07-05
2026-07-05
peak 8
2026-07-19
IP Ranges (8)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 62.77.71.200/30 | CRR-CZ | RIPE | ASSIGNED PA | ● low |
| 62.168.11.228/30 | CRR-CZ | RIPE | ASSIGNED PA | ● low |
| 62.168.42.100/30 | CRR-CZ | RIPE | ASSIGNED PA | ● low |
| 193.85.234.8/29 | CRR-CZ | RIPE | ASSIGNED PA | ● low |
| 194.149.101.68/30 | CRR-CZ | RIPE | ASSIGNED PA | ● low |
| 194.213.220.240/28 | CRR-CZ | RIPE | ASSIGNED PA | ● low |
| 2001:af0:8000:100::/56 | CRR-CZ | RIPE | ASSIGNED | ● low |
| 2001:af0:ffe0::/48 | CRR-CZ | RIPE | ASSIGNED | ● low |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(8 of 8)
Possible discrepancies (2)
These blocks are registered to CRR-CZ 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.
| 2001:af0:ffe0::/48 /48 | authorized for AS13036 — T-Mobile Czech Republic a.s. |
| 2001:af0:8000:100::/56 /56 | authorized for AS13036 — T-Mobile Czech Republic a.s. |
NIC Handles
DUMY-RIPE
DUMY-RIPE
GTSCZ-MNT