Stichting Treant Zorggroep

Data as of 2026-09-13
BGP inherited
This organisation
Netblocks4 · 1,156 IPv4 addresses
IPv6 1 prefix (largest 2001:41f0:9b4::/48)
Record ID240948998
RegistryRIPE
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 7 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (4)

⬇ export CSV
CIDR Org name Registry Status Confidence
194.104.28.0/22 Stichting Treant Zorggroep RIPE ASSIGNED PI ● high
89.20.174.128/25 Stichting_Treant_Zorggroep_NET RIPE ASSIGNED PA ● low
213.125.173.24/30 STICHTING_TREANT_ZORGGROEP RIPE ASSIGNED PA ● low
2001:41f0:9b4::/48 STICHTING_TREANT_ZORGGROEP RIPE ASSIGNED ● low

IPv6 ranges (1)

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 (2)

These blocks are registered to Stichting Treant Zorggroep but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2001:41f0:9b4::/48 /48 authorized for AS33915 — Vodafone Libertel B.V.
194.104.28.0/22 /22 authorized for AS39686 — Eurofiber Nederland BV

NIC Handles

DUMY-RIPE DUMY-RIPE Eurofiber-MNT ORG-STZ4-RIPE RICK-MNT RIPE-NCC-END-MNT ZIGGO-AUTOREG1