NetBase BV

BGP inherited
Cluster stats
Netblocks9 · 6,402 IPv4 addresses
Registered in Netherlands (5) · Austria (1)
All fragments 10 blocks across 2 clusters
Cluster ID209248396
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
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

Footprint over time

5 weekly snapshots · JSON
10 0 netblocks since 2026-07-05
2026-07-05 peak 10 2026-07-19

IP Ranges (9)

⬇ export CSV
CIDR Org name Registry Status Confidence
46.235.40.0/21 NetBase BV BGP ANNOUNCED ● high
83.150.232.0/22 NetBase BV BGP ANNOUNCED ● high
83.150.235.0/24 NetBase BV BGP ANNOUNCED ● high
2a00:d640::/32 NetBase BV BGP ANNOUNCED ● high
2a00:d641::/32 NetBase BV BGP ANNOUNCED ● high
46.235.40.0/21 NetBase BV RIPE ALLOCATED PA ● low
83.150.232.0/22 NetBase BV RIPE ALLOCATED PA ● low
85.126.126.104/29 NETBASE RIPE ASSIGNED PA ● low
2a00:d640::/29 NetBase BV RIPE ALLOCATED-BY-RIR ● low

Domains hosted in this network

what's this?
grondgebondenluchtverdediging.nl

Network trust

what's this?
RPKI hygiene: B how networks compare →
88.9% of checked blocks have valid RPKI ROA coverage (8 of 9)
Possible discrepancies (5)

These blocks are registered to NetBase BV 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:d640::/32 /32 authorized for AS51088 — A2B IP B.V.
46.235.40.0/21 /21 authorized for AS51088 — A2B IP B.V.
46.235.40.0/21 /21 authorized for AS51088 — A2B IP B.V.
83.150.232.0/22 /22 authorized for AS51088 — A2B IP B.V.
83.150.232.0/22 /22 authorized for AS51088 — A2B IP B.V.

NIC Handles

AS213192 DUMY-RIPE DUMY-RIPE MNT-NETBASE MNT-NETBASE ORG-NB23-RIPE PRIO-MNT RIPE-NCC-HM-MNT