SURFSARA BV
SURFSARA_BV
Data as of 2026-10-11
Registry
This organisation
| Netblocks | 6 · 2,056 IPv4 addresses |
| IPv6 | 2 prefixes (largest 2001:4d78:500:521::/64) |
| Also registered under this name | 20 netblocks across 12 separate records |
| Record ID | 247806222 |
| Registry | RIPE |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | Registry record |
| Shared handles | clustered on 5 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (6)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 80.252.93.108/30 | SURFSARA_BV | RIPE | ASSIGNED PA | ● low |
| 94.103.20.80/30 | SURFSARA_BV | RIPE | ASSIGNED PA | ● low |
| 145.107.8.0/22 | SURFsara-NET | RIPE | LEGACY | ● low |
| 145.107.56.0/22 | SURFsara-NET | RIPE | LEGACY | ● low |
| 2001:4d78:500:521::/64 | SURFSARA_BV | RIPE | ASSIGNED | ● low |
| 2a03:6980:100:3::/64 | SURFSARA_BV | RIPE | ASSIGNED | ● low |
IPv6 ranges (2)
Footprint over time
12 weekly snapshots · JSON
6
0 netblocks since 2026-07-05
2026-07-05
peak 6
2026-10-11
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(6 of 6)
No discrepancies found among checked blocks.
NIC Handles
DUMY-RIPE
DUMY-RIPE
EQUINIX-MNT
SN-LIR-MNT
SURF-AUTO-MNT