Surfnett AS

BGP inherited
Cluster stats
Netblocks6 · 1,532 IPv4 addresses
Cluster ID204711733
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 9 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

4 weekly snapshots · JSON
6 0 netblocks since 2026-07-05
2026-07-05 peak 6 2026-07-19

IP Ranges (6)

⬇ export CSV
CIDR Org name Registry Status Confidence
45.152.50.0/23 Surfnett AS RIPE ASSIGNED PA ● high
45.152.50.0/23 Surfnett AS BGP ANNOUNCED ● high
45.152.50.0/24 Surfnett AS BGP ANNOUNCED ● high
45.152.51.0/24 Surfnett AS BGP ANNOUNCED ● high
2a14:9c80::/29 Surfnett AS BGP ANNOUNCED ● high
2a14:9c80::/29 Surfnett AS RIPE ALLOCATED-BY-RIR ● high

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (6 of 6)
No discrepancies found among checked blocks.

NIC Handles

AS212500 BLIX-MNT BLIX-MNT DUMY-RIPE DUMY-RIPE ORG-SA5442-RIPE RIPE-NCC-HM-MNT lir-no-surfnet-1-MNT lir-no-surfnet-1-MNT