Shared Service Centrum ONS
Cluster stats
Netblocks6
All fragments 21 blocks across 2 clusters
Cluster ID195190463
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 5 shared RIR contact/maintainer handles
Registry names 1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
6 0 netblocks since 2026-07-05
2026-07-05 peak 6 2026-07-06

IP Ranges (6)

⬇ export CSV
CIDR Org name Registry Status Confidence
194.34.199.0/24 Shared Service Centrum ONS RIPE ALLOCATED PA ● low
194.35.11.0/24 Shared Service Centrum ONS RIPE ALLOCATED PA ● low
194.35.73.0/24 Shared Service Centrum ONS RIPE ALLOCATED-ASSIGNED PA ● low
194.35.75.0/24 Shared Service Centrum ONS RIPE ALLOCATED-ASSIGNED PA ● low
194.104.99.0/24 Shared Service Centrum ONS RIPE ALLOCATED PA ● low
2a00:7940::/32 Shared Service Centrum ONS RIPE ALLOCATED-BY-RIR ● 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 (6)

These blocks are registered to Shared Service Centrum ONS 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.

2a00:7940::/32 /32 authorized for AS33915 — Vodafone Libertel B.V.
194.35.73.0/24 /24 authorized for AS33915 — Vodafone Libertel B.V.
194.35.75.0/24 /24 authorized for AS33915 — Vodafone Libertel B.V.
194.34.199.0/24 /24 authorized for AS33915 — Vodafone Libertel B.V.
194.35.11.0/24 /24 authorized for AS33915 — Vodafone Libertel B.V.
194.104.99.0/24 /24 authorized for AS33915 — Vodafone Libertel B.V.

NIC Handles

DUMY-RIPE DUMY-RIPE ORG-SSCO2-RIPE RIPE-NCC-HM-MNT mnt-nl-ssc-ons-1