CENTRUMHOLDINGS-CZ
Cluster stats
| Netblocks | 13 |
| All fragments | 15 blocks across 3 clusters |
| Cluster ID | 193688245 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| 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
2 weekly snapshots · JSON
13
0 netblocks since 2026-07-05
2026-07-05
peak 13
2026-07-06
IP Ranges (13)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 46.255.224.0/24 | CENTRUMHOLDINGS-CZ | RIPE | ASSIGNED PA | ● low |
| 46.255.225.0/24 | CENTRUMHOLDINGS-CZ | RIPE | ASSIGNED PA | ● low |
| 46.255.226.0/24 | CENTRUMHOLDINGS-CZ | RIPE | ASSIGNED PA | ● low |
| 46.255.227.0/24 | CENTRUMHOLDINGS-CZ | RIPE | ASSIGNED PA | ● low |
| 46.255.228.0/24 | CENTRUMHOLDINGS-CZ | RIPE | ASSIGNED PA | ● low |
| 46.255.229.0/24 | CENTRUMHOLDINGS-CZ | RIPE | ASSIGNED PA | ● low |
| 2a00:da80:0:500::/64 | CENTRUMHOLDINGS-CZ | RIPE | ASSIGNED | ● low |
| 2a00:da80:0:501::/64 | CENTRUMHOLDINGS-CZ | RIPE | ASSIGNED | ● low |
| 2a00:da80:0:502::/64 | CENTRUMHOLDINGS-CZ | RIPE | ASSIGNED | ● low |
| 2a00:da80:0:600::/64 | CENTRUMHOLDINGS-CZ | RIPE | ASSIGNED | ● low |
| 2a00:da80:0:ff00::/64 | CENTRUMHOLDINGS-CZ | RIPE | ASSIGNED | ● low |
| 2a00:da80:fff0::/64 | CENTRUMHOLDINGS-CZ | RIPE | ASSIGNED | ● low |
| 2a00:da80:ffff::/64 | CENTRUMHOLDINGS-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
(13 of 13)
No discrepancies found among checked blocks.
NIC Handles
CH1-MNT
DUMY-RIPE
DUMY-RIPE