Technical University of Lodz
Cluster stats
| Netblocks | 13 |
| All fragments | 95 blocks across 11 clusters |
| Cluster ID | 191910712 |
| 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 | |
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 |
|---|---|---|---|---|
| 212.51.207.0 – 212.51.223.255 | Technical University of Lodz | RIPE | ASSIGNED PA | ● high |
| 212.191.12.48/29 | Technical University of Lodz | RIPE | ASSIGNED PA | ● high |
| 212.191.76.0 – 212.191.78.255 | Technical University of Lodz | RIPE | ASSIGNED PA | ● high |
| 212.191.79.0/24 | Technical University of Lodz | RIPE | ASSIGNED PA | ● high |
| 212.191.84.0/24 | Technical University of Lodz | RIPE | ASSIGNED PA | ● high |
| 212.191.85.0 – 212.191.87.255 | Technical University of Lodz | RIPE | ASSIGNED PA | ● high |
| 212.191.88.0/24 | Technical University of Lodz | RIPE | ASSIGNED PA | ● high |
| 212.191.89.0/24 | Technical University of Lodz | RIPE | ASSIGNED PA | ● high |
| 212.191.90.0/24 | Technical University of Lodz | RIPE | ASSIGNED PA | ● high |
| 212.191.91.0/24 | Technical University of Lodz | RIPE | ASSIGNED PA | ● high |
| 212.191.92.0/24 | Technical University of Lodz | RIPE | ASSIGNED PA | ● high |
| 212.191.93.0/24 | Technical University of Lodz | RIPE | ASSIGNED PA | ● high |
| 2001:b10:11::/52 | Technical University of Lodz | RIPE | ASSIGNED | ● high |
Network trust
what's this?
RPKI hygiene: B
how networks compare →
92.3%
of checked blocks have valid RPKI ROA coverage
(12 of 13)
No discrepancies found among checked blocks.
NIC Handles
AS8256-MNT
DUMY-RIPE
DUMY-RIPE
ORG-TULO1-RIPE