SURF

SURF B.V.
GLEIF verified
LEI
969500FU0T9O7YNBFG16
Registered name
SURF
Jurisdiction
FR
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks292 · 20,452,815 IPv4 addresses
Registered in Netherlands (247) · BD (10) · Bulgaria (1) · Germany (1) · Israel (1) · United States (1)
Cluster ID208783535
RegistryAPNIC
Owner jurisdictionFR
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 969500FU0T9O7YNBFG16
Shared handles clustered on 37 shared RIR contact/maintainer handles
Registry names 8 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

5 weekly snapshots · JSON
295 0 netblocks since 2026-07-05
2026-07-05 peak 295 2026-07-19

IP Ranges (292)

showing 50 of 292 — see all — ⬇ export CSV
CIDR Org name Registry Status Confidence
44.137.0.0/16 SURF B.V. BGP ANNOUNCED ● high
80.249.208.34/32 SURF PEERINGDB ASSIGNED ● high
80.249.208.50/32 SURF PEERINGDB ASSIGNED ● high
80.249.215.176/32 SURF PEERINGDB ASSIGNED ● high
92.53.248.0/21 SURF B.V. BGP ANNOUNCED ● high
129.125.0.0/16 SURF B.V. BGP ANNOUNCED ● high
130.37.0.0/16 SURF B.V. BGP ANNOUNCED ● high
130.89.0.0/16 SURF B.V. BGP ANNOUNCED ● high
130.161.0.0/16 SURF B.V. BGP ANNOUNCED ● high
131.155.0.0/16 SURF B.V. BGP ANNOUNCED ● high
131.174.0.0/16 SURF B.V. BGP ANNOUNCED ● high
131.180.0.0/16 SURF B.V. BGP ANNOUNCED ● high
131.211.0.0/16 SURF B.V. BGP ANNOUNCED ● high
131.224.0.0/16 SURF B.V. BGP ANNOUNCED ● high
132.229.0.0/16 SURF B.V. BGP ANNOUNCED ● high
134.221.0.0/16 SURF B.V. BGP ANNOUNCED ● high
136.231.0.0/16 SURF B.V. BGP ANNOUNCED ● high
137.56.0.0/16 SURF B.V. BGP ANNOUNCED ● high
137.120.0.0/16 SURF B.V. BGP ANNOUNCED ● high
137.224.0.0/16 SURF B.V. BGP ANNOUNCED ● high
139.63.0.0/16 SURF B.V. BGP ANNOUNCED ● high
141.252.0.0/16 SURF B.V. BGP ANNOUNCED ● high
143.121.0.0/16 SURF B.V. BGP ANNOUNCED ● high
145.0.0.0/16 SURF B.V. BGP ANNOUNCED ● high
145.1.0.0/17 SURF B.V. BGP ANNOUNCED ● high
145.2.0.0/15 SURF B.V. BGP ANNOUNCED ● high
145.5.0.0/16 SURF B.V. BGP ANNOUNCED ● high
145.9.0.0/16 SURF B.V. BGP ANNOUNCED ● high
145.19.0.0/16 SURF B.V. BGP ANNOUNCED ● high
145.20.0.0/16 SURF B.V. BGP ANNOUNCED ● high
145.23.0.0/16 SURF B.V. BGP ANNOUNCED ● high
145.24.0.0/16 SURF B.V. BGP ANNOUNCED ● high
145.28.0.0/15 SURF B.V. BGP ANNOUNCED ● high
145.33.0.0/16 SURF B.V. BGP ANNOUNCED ● high
145.37.0.0/16 SURF B.V. BGP ANNOUNCED ● high
145.38.0.0/15 SURF B.V. BGP ANNOUNCED ● high
145.41.0.0/16 SURF B.V. BGP ANNOUNCED ● high
145.44.0.0/16 SURF B.V. BGP ANNOUNCED ● high
145.48.0.0/15 SURF B.V. BGP ANNOUNCED ● high
145.51.0.0/16 SURF B.V. BGP ANNOUNCED ● high
145.52.0.0/16 SURF B.V. BGP ANNOUNCED ● high
145.74.0.0/15 SURF B.V. BGP ANNOUNCED ● high
145.76.0.0/16 SURF B.V. BGP ANNOUNCED ● high
145.81.0.0/16 SURF B.V. BGP ANNOUNCED ● high
145.85.0.0/16 SURF B.V. BGP ANNOUNCED ● high
145.88.0.0/15 SURF B.V. BGP ANNOUNCED ● high
145.90.0.0/16 SURF B.V. BGP ANNOUNCED ● high
145.91.0.0/16 SURF B.V. BGP ANNOUNCED ● high
145.92.0.0/15 SURF B.V. BGP ANNOUNCED ● high
145.94.0.0/16 SURF B.V. BGP ANNOUNCED ● high

Domains hosted in this network

what's this?
utwente.nl amc.nl tue.nl surf.nl uvt.nl ru.nl rug.nl tudelft.nl universiteitleiden.nl leidenuniv.nl rivm.nl rocvantwente.nl astron.nl openresolve.rs eur.nl omroep.nl ou.nl dataverse.nl treebase.org waarnemingen.be

Customer-delegated space

how is this classified?
Unclassified 274 (93.8%)
Operator infrastructure (named) 16 (5.5%)
Customer access pools 2 (0.7%)

Network trust

what's this?
RPKI hygiene: B how networks compare →
83.2% of checked blocks have valid RPKI ROA coverage (243 of 292)
Possible discrepancies (4)

These blocks are registered to SURF B.V. but cryptographically authorized for a different, unrelated network (4 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2001:14f0:1a8::/48 /48 authorized for AS12355 — HeLi NET Telekommunikation GmbH & Co.
145.78.0.0/16 /16 authorized for AS1136 — KPN B.V.
192.116.195.0/24 /24 authorized for AS12400 — Partner Communications Ltd.
114.31.12.0/24 /24 authorized for AS7565 — BDCOM Online Limited

NIC Handles

AB1190-AP AS1101 AS1101-MNT AS1101-MNT AS1102 AS1102-MNT AS1102-MNT AS1103 AS1103 AS1103-MNT AS1128 AS1133 +25 more