STEF Nederland B.V.
Data as of 2026-08-09
GLEIF verified
Complete entity footprint
2 linked clusters ·
6 netblocks ·
1,033 IPv4 addresses ·
3 IPv6 prefixes
This organisation's clusters combined by evidence —
shared GLEIF corporate family
— not name similarity, so genuinely different organisations that share a name are excluded.
LEI
7245005FY7IS0CM20A28
Registered name
STEF Nederland B.V.
Jurisdiction
Ultimate parent
STEF
9695008BIKG0E486UL47
Cluster stats
| Netblocks | 5 · 1,032 IPv4 addresses |
| IPv6 | 3 prefixes (largest 2a06:1840::/29) |
| Registered in | Netherlands (2) · United Kingdom (1) |
| Cluster ID | 218220843 |
| Registry | BGP |
| Owner jurisdiction | NL |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 7245005FY7IS0CM20A28 |
| Shared handles | clustered on 9 shared RIR contact/maintainer handles |
| Registry names | 3 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
7 weekly snapshots · JSON
6
-2 netblocks since 2026-07-05
2026-07-05
peak 8
2026-08-09
IP Ranges (5)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 185.100.192.0/22 | STEF Nederland B.V. | BGP | ANNOUNCED | ● high |
| 213.123.57.152/29 | STEF-AND | RIPE | ASSIGNED PA | ● low |
| 2a00:2381:c90e::/48 | STEF-AND | RIPE | AGGREGATED-BY-LIR | ● low |
| 2a00:2381:c90e::/56 | STEF-AND | RIPE | ASSIGNED | ● low |
| 2a06:1840::/29 | STEF Nederland B.V. | RIPE | ALLOCATED-BY-RIR | ● low |
IPv6 ranges (3)
Corporate group (2 confirmed entities)
+1 additional unconfirmed candidate not shown — full list (JSON)- STEF-ITALIA-SPA 1 blocks
Network trust
what's this?
RPKI hygiene: B
how networks compare →
83.3%
of checked blocks have valid RPKI ROA coverage
(5 of 6)
Possible discrepancies (2)
These blocks are registered to STEF Nederland B.V. 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.
| 2a00:2381:c90e::/48 /48 | authorized for AS2856 — British Telecommunications Limited |
| 2a00:2381:c90e::/56 /56 | authorized for AS2856 — British Telecommunications Limited |
NIC Handles
AS31433
BTNET-MNT
DATAWEB-MNT
DUMY-RIPE
DUMY-RIPE
ORG-BLHB1-RIPE
RIPE-NCC-HM-MNT
nl-bakkergroep-1-mnt
nl-bakkergroep-1-mnt