Alexander Dubcek University of Trencin
Cluster stats
| Netblocks | 4 |
| All fragments | 612 blocks across 226 clusters |
| Cluster ID | 191995603 |
| 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 (4)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 193.87.36.0/22 | Alexander Dubcek University of Trencin | RIPE | ASSIGNED PA | ● high |
| 193.87.64.0/23 | Alexander Dubcek University of Trencin | RIPE | ASSIGNED PA | ● high |
| 193.87.66.0 – 193.87.69.63 | Alexander Dubcek University of Trencin | RIPE | ASSIGNED PA | ● high |
| 193.87.70.0/23 | Alexander Dubcek University of Trencin | RIPE | ASSIGNED PA | ● high |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(4 of 4)
Possible discrepancies (4)
These blocks are registered to Alexander Dubcek University of Trencin 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.
| 193.87.36.0/22 /22 | authorized for AS2607 — Zdruzenie pouzivatelov Slovenskej akademickej datovej siete SANET |
| 193.87.66.0 – 193.87.69.63 /22 | authorized for AS2607 — Zdruzenie pouzivatelov Slovenskej akademickej datovej siete SANET |
| 193.87.64.0/23 /23 | authorized for AS2607 — Zdruzenie pouzivatelov Slovenskej akademickej datovej siete SANET |
| 193.87.70.0/23 /23 | authorized for AS2607 — Zdruzenie pouzivatelov Slovenskej akademickej datovej siete SANET |
NIC Handles
DUMY-RIPE
DUMY-RIPE
ORG-ADUO1-RIPE
SWDB-SANET