CZ-NORDICTELECOMREGIONAL-20100318
Cluster stats
| Netblocks | 18 |
| All fragments | 230 blocks across 35 clusters |
| Cluster ID | 193380218 |
| 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 | |
IP Ranges (18)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 178.17.80.0 – 178.17.82.255 | CZ-NORDICTELECOMREGIONAL-20100318 | RIPE | ASSIGNED PA | ● low |
| 178.17.83.0/24 | CZ-NORDICTELECOMREGIONAL-20100318 | RIPE | ASSIGNED PA | ● low |
| 178.17.84.0/25 | CZ-NORDICTELECOMREGIONAL-20100318 | RIPE | ASSIGNED PA | ● low |
| 178.17.84.128/25 | CZ-NORDICTELECOMREGIONAL-20100318 | RIPE | ASSIGNED PA | ● low |
| 178.17.86.0/24 | CZ-NORDICTELECOMREGIONAL-20100318 | RIPE | ASSIGNED PA | ● low |
| 178.17.87.0/24 | CZ-NORDICTELECOMREGIONAL-20100318 | RIPE | ASSIGNED PA | ● low |
| 178.17.88.0/25 | CZ-NORDICTELECOMREGIONAL-20100318 | RIPE | ASSIGNED PA | ● low |
| 178.17.89.0/25 | CZ-NORDICTELECOMREGIONAL-20100318 | RIPE | ASSIGNED PA | ● low |
| 178.17.89.128/25 | CZ-NORDICTELECOMREGIONAL-20100318 | RIPE | ASSIGNED PA | ● low |
| 178.17.90.0/24 | CZ-NORDICTELECOMREGIONAL-20100318 | RIPE | ASSIGNED PA | ● low |
| 178.17.91.0/25 | CZ-NORDICTELECOMREGIONAL-20100318 | RIPE | ASSIGNED PA | ● low |
| 178.17.91.128/25 | CZ-NORDICTELECOMREGIONAL-20100318 | RIPE | ASSIGNED PA | ● low |
| 178.17.92.0/26 | CZ-NORDICTELECOMREGIONAL-20100318 | RIPE | ASSIGNED PA | ● low |
| 178.17.92.64/26 | CZ-NORDICTELECOMREGIONAL-20100318 | RIPE | ASSIGNED PA | ● low |
| 178.17.92.128/26 | CZ-NORDICTELECOMREGIONAL-20100318 | RIPE | ASSIGNED PA | ● low |
| 178.17.92.192/26 | CZ-NORDICTELECOMREGIONAL-20100318 | RIPE | ASSIGNED PA | ● low |
| 178.17.93.0/24 | CZ-NORDICTELECOMREGIONAL-20100318 | RIPE | ASSIGNED PA | ● low |
| 178.17.94.0/23 | CZ-NORDICTELECOMREGIONAL-20100318 | RIPE | ASSIGNED PA | ● low |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(18 of 18)
Possible discrepancies (7)
These blocks are registered to CZ-NORDICTELECOMREGIONAL-20100318 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.
| 178.17.80.0 – 178.17.82.255 /22 | authorized for AS42908 — O2 Czech Republic, a.s. |
| 178.17.94.0/23 /23 | authorized for AS42908 — O2 Czech Republic, a.s. |
| 178.17.83.0/24 /24 | authorized for AS42908 — O2 Czech Republic, a.s. |
| 178.17.86.0/24 /24 | authorized for AS42908 — O2 Czech Republic, a.s. |
| 178.17.87.0/24 /24 | authorized for AS42908 — O2 Czech Republic, a.s. |
| 178.17.90.0/24 /24 | authorized for AS42908 — O2 Czech Republic, a.s. |
| 178.17.93.0/24 /24 | authorized for AS42908 — O2 Czech Republic, a.s. |
NIC Handles
DUMY-RIPE
DUMY-RIPE
mnt-nordictelecom