OPEN FOR SUPPORT NEDERLAND BV
OPEN_FOR_SUPPORT_NEDERLAND_BV
Registry
Cluster stats
| Netblocks | 6 |
| All fragments | 1,636 blocks across 218 clusters |
| Cluster ID | 204973670 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | Registry record |
| Shared handles | clustered on 3 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
3 weekly snapshots · JSON
6
0 netblocks since 2026-07-05
2026-07-05
peak 6
2026-07-12
IP Ranges (6)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 213.124.142.40/29 | OPEN_FOR_SUPPORT_NEDERLAND_BV | RIPE | ASSIGNED PA | ● low |
| 213.124.155.64/29 | OPEN_FOR_SUPPORT_NEDERLAND_BV | RIPE | ASSIGNED PA | ● low |
| 213.124.155.80/29 | OPEN_FOR_SUPPORT_NEDERLAND_BV | RIPE | ASSIGNED PA | ● low |
| 2001:41f0:2074::/48 | OPEN_FOR_SUPPORT_NEDERLAND_BV | RIPE | ASSIGNED | ● low |
| 2001:41f0:2076::/48 | OPEN_FOR_SUPPORT_NEDERLAND_BV | RIPE | ASSIGNED | ● low |
| 2001:41f0:97ea::/48 | OPEN_FOR_SUPPORT_NEDERLAND_BV | RIPE | ASSIGNED | ● low |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(6 of 6)
Possible discrepancies (3)
These blocks are registered to OPEN FOR SUPPORT NEDERLAND BV 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.
| 2001:41f0:2074::/48 /48 | authorized for AS33915 — Vodafone Libertel B.V. |
| 2001:41f0:2076::/48 /48 | authorized for AS33915 — Vodafone Libertel B.V. |
| 2001:41f0:97ea::/48 /48 | authorized for AS33915 — Vodafone Libertel B.V. |
NIC Handles
DUMY-RIPE
DUMY-RIPE
ZIGGO-AUTOREG1