Instituto Politecnico de Viana do Castelo
BGP inherited
Cluster stats
| Netblocks | 5 · 517 IPv4 addresses |
| All fragments | 182 blocks across 2 clusters |
| Cluster ID | 209392356 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| 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 (5)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 193.136.1.42/32 | Instituto Politecnico de Viana do Castelo | RIPE | ASSIGNED PA | ● high |
| 193.137.58.0/29 | Instituto Politecnico de Viana do Castelo | RIPE | ASSIGNED PA | ● high |
| 193.137.65.0/24 | Instituto Politecnico de Viana do Castelo | RIPE | ASSIGNED PA | ● high |
| 193.137.161.0/24 | Instituto Politecnico de Viana do Castelo | RIPE | ASSIGNED PA | ● high |
| 2001:690:810:206::/64 | Instituto Politecnico de Viana do Castelo | RIPE | ASSIGNED | ● high |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(5 of 5)
Possible discrepancies (2)
These blocks are registered to Instituto Politecnico de Viana do Castelo 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.
| 193.137.65.0/24 /24 | authorized for AS1930 — Fundacao para a Ciencia e a Tecnologia, I.P. |
| 193.137.161.0/24 /24 | authorized for AS1930 — Fundacao para a Ciencia e a Tecnologia, I.P. |
NIC Handles
AS1930-MNT
DUMY-RIPE
DUMY-RIPE
ORG-IPDV2-RIPE