Gemeente Leeuwarden
Cluster stats
Netblocks14
All fragments 16 blocks across 2 clusters
Cluster ID191593194
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 12 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
14 0 netblocks since 2026-07-05
2026-07-05 peak 14 2026-07-06

IP Ranges (14)

⬇ export CSV
CIDR Org name Registry Status Confidence
145.87.0.0/22 Gemeente Leeuwarden BGP ANNOUNCED ● high
145.87.0.0 – 145.87.223.255 Gemeente Leeuwarden RIPE LEGACY ● high
145.87.2.0/24 Gemeente Leeuwarden BGP ANNOUNCED ● high
145.87.3.0/24 Gemeente Leeuwarden BGP ANNOUNCED ● high
2a07:3500:12c0::/48 Gemeente Leeuwarden RIPE ASSIGNED ● high
2a07:3500:12c0::/48 Gemeente Leeuwarden BGP ANNOUNCED ● high
195.35.213.244/30 GEMEENTE_LEEUWARDEN RIPE ASSIGNED PA ● low
213.34.77.232/30 GEMEENTE_LEEUWARDEN RIPE ASSIGNED PA ● low
217.100.170.204/30 GEMEENTE_LEEUWARDEN RIPE ASSIGNED PA ● low
2001:678:390::/48 Gemeente Leeuwarden RIPE ASSIGNED PI ● low
2001:41f0:98b7::/48 GEMEENTE_LEEUWARDEN RIPE ASSIGNED ● low
2001:41f0:f925::/48 GEMEENTE_LEEUWARDEN RIPE ASSIGNED ● low
2001:41f0:ff5f::/48 GEMEENTE_LEEUWARDEN RIPE ASSIGNED ● low
2a07:3500:12c0::/46 Gemeente Leeuwarden RIPE ALLOCATED-BY-LIR ● low

Network trust

what's this?
RPKI hygiene: C how networks compare →
78.6% of checked blocks have valid RPKI ROA coverage (11 of 14)
Possible discrepancies (3)

These blocks are registered to Gemeente Leeuwarden 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:f925::/48 /48 authorized for AS33915 — Vodafone Libertel B.V.
2001:41f0:ff5f::/48 /48 authorized for AS33915 — Vodafone Libertel B.V.
2001:41f0:98b7::/48 /48 authorized for AS33915 — Vodafone Libertel B.V.

NIC Handles

AS212778 CASTEL-MNT DUMY-RIPE DUMY-RIPE Eurofiber-MNT LOGIUS MNT-GEMLWD MNT-GEMLWD ORG-GLWD1-RIPE RIPE-NCC-END-MNT RIPE-NCC-LEGACY-MNT ZIGGO-AUTOREG1