UMCG-NET
Cluster stats
| Netblocks | 11 |
| All fragments | 19 blocks across 3 clusters |
| Cluster ID | 191921802 |
| 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 | |
Footprint over time
2 weekly snapshots · JSON
11
0 netblocks since 2026-07-05
2026-07-05
peak 11
2026-07-06
IP Ranges (11)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 145.39.0.0/16 | UMCG-NET | RIPE | LEGACY | ● low |
| 145.118.208.0/21 | UMCG-NET | RIPE | LEGACY | ● low |
| 145.126.128.0/19 | UMCG-NET | RIPE | LEGACY | ● low |
| 192.87.23.64/26 | UMCG-NET | RIPE | LEGACY | ● low |
| 192.87.23.192/26 | UMCG-NET | RIPE | LEGACY | ● low |
| 192.87.39.48/28 | UMCG-NET | RIPE | LEGACY | ● low |
| 192.87.39.96/30 | UMCG-NET | RIPE | LEGACY | ● low |
| 195.169.142.64/26 | UMCG-NET | RIPE | ASSIGNED PA | ● low |
| 195.169.142.160/27 | UMCG-NET | RIPE | ASSIGNED PA | ● low |
| 195.169.142.224/27 | UMCG-NET | RIPE | ASSIGNED PA | ● low |
| 2001:610:1f0::/48 | UMCG-NET | RIPE | ALLOCATED-BY-LIR | ● low |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(11 of 11)
No discrepancies found among checked blocks.
NIC Handles
DUMY-RIPE
DUMY-RIPE
SN-LIR-MNT
SURF-AUTO-MNT