DE SPECIALISTEN GROEP BV

DE_SPECIALISTEN_GROEP_BV
Data as of 2026-10-18
Registry
This organisation
Netblocks13
IPv6 6 prefixes (largest 2001:41f0:6d8d::/48)
Record ID250369745
RegistryRIPE
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution Registry record
Shared handles clustered on 4 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 (13)

⬇ export CSV
CIDR Org name Registry Status Confidence
90.145.235.8/30 DE_SPECIALISTEN_GROEP RIPE ASSIGNED PA ● low
195.85.167.168/29 DE_SPECIALISTEN_GROEP_BV RIPE ASSIGNED PA ● low
195.85.188.104/29 DE_SPECIALISTEN_GROEP_BV RIPE ASSIGNED PA ● low
213.34.30.228/30 DE_SPECIALISTEN_GROEP_BV RIPE ASSIGNED PA ● low
217.100.90.204/30 DE_SPECIALISTEN_GROEP_BV RIPE ASSIGNED PA ● low
217.100.156.204/30 DE_SPECIALISTEN_GROEP_BV RIPE ASSIGNED PA ● low
217.100.169.188/30 DE_SPECIALISTEN_GROEP_BV RIPE ASSIGNED PA ● low
2001:41f0:a85::/48 DE_SPECIALISTEN_GROEP_BV RIPE ASSIGNED ● low
2001:41f0:e7e::/48 DE_SPECIALISTEN_GROEP_BV RIPE ASSIGNED ● low
2001:41f0:6d8d::/48 DE_SPECIALISTEN_GROEP_BV RIPE ASSIGNED ● low
2001:41f0:88fb::/48 DE_SPECIALISTEN_GROEP_BV RIPE ASSIGNED ● low
2001:41f0:894b::/48 DE_SPECIALISTEN_GROEP_BV RIPE ASSIGNED ● low
2001:41f0:9652::/48 DE_SPECIALISTEN_GROEP_BV RIPE ASSIGNED ● low

IPv6 ranges (6)

CIDR
2001:41f0:6d8d::/48
2001:41f0:88fb::/48
2001:41f0:894b::/48
2001:41f0:9652::/48
2001:41f0:a85::/48
2001:41f0:e7e::/48

Footprint over time

17 weekly snapshots · JSON
13 0 netblocks since 2026-07-05
2026-07-05 peak 13 2026-10-18

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (13 of 13)
Possible discrepancies (6)

These blocks are registered to DE_SPECIALISTEN_GROEP_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.

2001:41f0:9652::/48 /48 authorized for AS33915 — Vodafone Libertel B.V.
2001:41f0:a85::/48 /48 authorized for AS33915 — Vodafone Libertel B.V.
2001:41f0:e7e::/48 /48 authorized for AS33915 — Vodafone Libertel B.V.
2001:41f0:88fb::/48 /48 authorized for AS33915 — Vodafone Libertel B.V.
2001:41f0:894b::/48 /48 authorized for AS33915 — Vodafone Libertel B.V.
2001:41f0:6d8d::/48 /48 authorized for AS33915 — Vodafone Libertel B.V.

NIC Handles

DUMY-RIPE DUMY-RIPE Eurofiber-MNT ZIGGO-AUTOREG1