ALMA MATER STUDIORUM - Universita di Bologna
ALMA MATER STUDIORUM - Universita' di Bologna
Cluster stats
| Netblocks | 6 |
| All fragments | 89 blocks across 35 clusters |
| Cluster ID | 191877701 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Shared handles | clustered on 5 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works | |
IP Ranges (6)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 130.136.0.0/16 | ALMA MATER STUDIORUM - Universita' di Bologna | RIPE | LEGACY | ● high |
| 137.204.0.0/16 | ALMA MATER STUDIORUM - Universita' di Bologna | RIPE | LEGACY | ● high |
| 192.12.47.0/24 | ALMA MATER STUDIORUM - Universita' di Bologna | RIPE | LEGACY | ● high |
| 192.12.77.0/24 | ALMA MATER STUDIORUM - Universita' di Bologna | RIPE | LEGACY | ● high |
| 192.167.52.0/22 | ALMA MATER STUDIORUM - Universita' di Bologna | RIPE | ASSIGNED PA | ● high |
| 2001:760:2e00::/48 | ALMA MATER STUDIORUM - Universita' di Bologna | RIPE | ASSIGNED | ● high |
Network trust
what's this?
RPKI hygiene: C
how networks compare →
66.7%
of checked blocks have valid RPKI ROA coverage
(4 of 6)
Possible discrepancies (4)
These blocks are registered to ALMA MATER STUDIORUM - Universita' di Bologna 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.
| 2001:760:2e00::/48 /48 | authorized for AS137 — Consortium GARR |
| 137.204.0.0/16 /16 | authorized for AS137 — Consortium GARR |
| 130.136.0.0/16 /16 | authorized for AS137 — Consortium GARR |
| 192.167.52.0/22 /22 | authorized for AS137 — Consortium GARR |
NIC Handles
DUMY-RIPE
DUMY-RIPE
GARR-LIR
ORG-AMSU1-RIPE
RIPE-NCC-LEGACY-MNT