OPTIMA-DAWID-FOSZCZ
Cluster stats
| Netblocks | 7 |
| All fragments | 258 blocks across 57 clusters |
| Cluster ID | 193425940 |
| 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
7
0 netblocks since 2026-07-05
2026-07-05
peak 7
2026-07-06
IP Ranges (7)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 83.1.160.0/24 | OPTIMA-DAWID-FOSZCZ | RIPE | ASSIGNED PA | ● low |
| 83.1.161.0/24 | OPTIMA-DAWID-FOSZCZ | RIPE | ASSIGNED PA | ● low |
| 83.1.162.0/24 | OPTIMA-DAWID-FOSZCZ | RIPE | ASSIGNED PA | ● low |
| 83.1.163.0/24 | OPTIMA-DAWID-FOSZCZ | RIPE | ASSIGNED PA | ● low |
| 195.117.75.0/24 | OPTIMA-DAWID-FOSZCZ | RIPE | ASSIGNED PA | ● low |
| 212.244.87.0/24 | OPTIMA-DAWID-FOSZCZ | RIPE | ASSIGNED PA | ● low |
| 212.244.88.0/24 | OPTIMA-DAWID-FOSZCZ | 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
(7 of 7)
No discrepancies found among checked blocks.
NIC Handles
DUMY-RIPE
DUMY-RIPE
TPNET