TMCZ
Cluster stats
| Netblocks | 23 |
| All fragments | 282 blocks across 147 clusters |
| Cluster ID | 191681075 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Shared handles | clustered on 4 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works | |
IP Ranges (23)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 62.77.119.152/29 | TMCZ | RIPE | ASSIGNED PA | ● low |
| 62.84.151.32/28 | TMCZ | RIPE | ASSIGNED PA | ● low |
| 62.84.151.48/28 | TMCZ | RIPE | ASSIGNED PA | ● low |
| 62.168.4.68/30 | TMCZ | RIPE | ASSIGNED PA | ● low |
| 62.168.34.40/30 | TMCZ | RIPE | ASSIGNED PA | ● low |
| 62.168.58.152/30 | TMCZ | RIPE | ASSIGNED PA | ● low |
| 62.209.249.16/28 | TMCZ | RIPE | ASSIGNED PA | ● low |
| 89.250.104.0/22 | TMCZ | RIPE | ASSIGNED PA | ● low |
| 193.85.187.160/29 | TMCZ | RIPE | ASSIGNED PA | ● low |
| 193.85.190.28/30 | TMCZ | RIPE | ASSIGNED PA | ● low |
| 193.85.244.172/30 | TMCZ | RIPE | ASSIGNED PA | ● low |
| 193.86.2.232/30 | TMCZ | RIPE | ASSIGNED PA | ● low |
| 193.86.93.128/29 | TMCZ | RIPE | ASSIGNED PA | ● low |
| 193.86.95.56/29 | TMCZ | RIPE | ASSIGNED PA | ● low |
| 193.86.206.48/29 | TMCZ | RIPE | ASSIGNED PA | ● low |
| 193.179.217.40/29 | TMCZ | RIPE | ASSIGNED PA | ● low |
| 194.108.30.32/27 | TMCZ | RIPE | ASSIGNED PA | ● low |
| 194.212.2.80/30 | TMCZ | RIPE | ASSIGNED PA | ● low |
| 194.213.208.212/30 | TMCZ | RIPE | ASSIGNED PA | ● low |
| 195.39.44.88/30 | TMCZ | RIPE | ASSIGNED PA | ● low |
| 195.39.44.92/30 | TMCZ | RIPE | ASSIGNED PA | ● low |
| 2001:af0:8000:2e00::/56 | TMCZ | RIPE | ASSIGNED | ● low |
| 2001:af0:8000:8700::/56 | TMCZ | RIPE | ASSIGNED | ● low |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
95.7%
of checked blocks have valid RPKI ROA coverage
(22 of 23)
Possible discrepancies (2)
These blocks are registered to TMCZ 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:af0:8000:2e00::/56 /56 | authorized for AS13036 — T-Mobile Czech Republic a.s. |
| 2001:af0:8000:8700::/56 /56 | authorized for AS13036 — T-Mobile Czech Republic a.s. |
NIC Handles
DUMY-RIPE
DUMY-RIPE
GTSCZ-MNT
RWESYSCZ-TECH