PORTLAND-COLLEGE
Unresolved
Cluster stats
| Netblocks | 3 |
| All fragments | 4 blocks across 2 clusters |
| Cluster ID | 192024218 |
| 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 | |
IP Ranges (3)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 212.219.22.192/28 | PORTLAND-COLLEGE | RIPE | ASSIGNED PA | ● low |
| 212.219.243.176/28 | PORTLAND-COLLEGE | RIPE | ASSIGNED PA | ● low |
| 2001:630:30c::/48 | PORTLAND-COLLEGE | RIPE | ASSIGNED | ● low |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(3 of 3)
Possible discrepancies (1)
These blocks are registered to PORTLAND-COLLEGE 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.
| 2001:630:30c::/48 /48 | authorized for AS786 — Jisc Services Limited |
NIC Handles
DUMY-RIPE
DUMY-RIPE
JANET-HOSTMASTER