Stichting Zorgring Noord Holland Noord
Cluster stats
Netblocks6
All fragments 7 blocks across 2 clusters
Cluster ID191653395
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 8 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

IP Ranges (6)

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CIDR Org name Registry Status Confidence
194.13.144.0/20 Stichting Zorgring Noord Holland Noord BGP ANNOUNCED ● high
194.53.3.0/24 Stichting Zorgring Noord Holland Noord BGP ANNOUNCED ● high
195.88.136.0/23 Stichting Zorgring Noord Holland Noord BGP ANNOUNCED ● high
195.88.136.0/23 Stichting Zorgring Noord Holland Noord RIPE ASSIGNED PI ● high
217.100.232.104/29 STICHTING_ZORGRING_NOORD_HOLLAND_NOORD RIPE ASSIGNED PA ● low
2001:41f0:7605::/48 STICHTING_ZORGRING_NOORD_HOLLAND_NOORD RIPE ASSIGNED ● low

Network trust

what's this?
RPKI hygiene: D how networks compare →
33.3% of checked blocks have valid RPKI ROA coverage (2 of 6)
Possible discrepancies (1)

These blocks are registered to Stichting Zorgring Noord Holland Noord 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.

2001:41f0:7605::/48 /48 authorized for AS33915 — Vodafone Libertel B.V.

NIC Handles

AS48997 DUMY-RIPE DUMY-RIPE OPENPEERING-MNT OPENPEERING-MNT ORG-ZZN1-RIPE RIPE-NCC-END-MNT ZIGGO-AUTOREG1