Universiteit van Amsterdam
Data as of 2026-07-26
GLEIF verified
LEI
724500CFDCA9PSUM7351
Registered name
Universiteit van Amsterdam
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 4 · 196,608 IPv4 addresses |
| All fragments | 7 blocks across 2 clusters |
| Cluster ID | 213839663 |
| Registry | BGP |
| Owner jurisdiction | NL |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 724500CFDCA9PSUM7351 |
| Shared handles | clustered on 10 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
5 weekly snapshots · JSON
6
0 netblocks since 2026-07-05
2026-07-05
peak 6
2026-07-26
IP Ranges (4)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 145.18.0.0/16 | Universiteit van Amsterdam | BGP | ANNOUNCED | ● high |
| 145.109.0.0/17 | Universiteit van Amsterdam | BGP | ANNOUNCED | ● high |
| 145.109.128.0/17 | Universiteit van Amsterdam | BGP | ANNOUNCED | ● high |
| 146.50.0.0/16 | Universiteit van Amsterdam | BGP | ANNOUNCED | ● 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)
No discrepancies found among checked blocks.
Routed via provider/NREN (1)
These blocks are cryptographically authorized for this organisation's national research & education network or transit provider — expected topology for an institution that routes through it, not a discrepancy.
| 145.109.128.0/17 /17 | routed via AS1103 — SURF (SURF B.V.) |
NIC Handles
AS1103-MNT
AS1124
AS1124-MNT
AS1124-MNT
DUMY-RIPE
DUMY-RIPE
ORG-UVA9-RIPE
RIPE-NCC-LEGACY-MNT
SN-LIR-MNT
UVA3322-RIPE