Stichting Nederlandse Wetenschappelijk Onderzoek Instituten trading as DIFFER
BGP inherited
Cluster stats
| Netblocks | 4 · 1,020 IPv4 addresses |
| All fragments | 8 blocks across 3 clusters |
| Cluster ID | 209107234 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 6 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works | |
IP Ranges (4)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 192.42.124.0/24 | Stichting Nederlandse Wetenschappelijk Onderzoek Instituten trading as DIFFER | RIPE | LEGACY | ● high |
| 192.42.125.0/24 | Stichting Nederlandse Wetenschappelijk Onderzoek Instituten trading as DIFFER | RIPE | LEGACY | ● high |
| 192.42.126.0/24 | Stichting Nederlandse Wetenschappelijk Onderzoek Instituten trading as DIFFER | RIPE | LEGACY | ● high |
| 192.42.127.0/24 | Stichting Nederlandse Wetenschappelijk Onderzoek Instituten trading as DIFFER | RIPE | LEGACY | ● high |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(4 of 4)
Possible discrepancies (4)
These blocks are registered to Stichting Nederlandse Wetenschappelijk Onderzoek Instituten trading as DIFFER 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.
| 192.42.124.0/24 /24 | authorized for AS1103 — SURF B.V. |
| 192.42.125.0/24 /24 | authorized for AS1103 — SURF B.V. |
| 192.42.126.0/24 /24 | authorized for AS1103 — SURF B.V. |
| 192.42.127.0/24 /24 | authorized for AS1103 — SURF B.V. |
NIC Handles
DUMY-RIPE
DUMY-RIPE
ORG-NDIF1-RIPE
RIPE-NCC-LEGACY-MNT
SN-LIR-MNT
SURF-AUTO-MNT