4Consult B.V.

Data as of 2026-10-04
BGP inherited
This organisation
Netblocks26 · 1,024 IPv4 addresses
IPv6 12 prefixes (largest 2a09:2c40::/29)
Record ID245631514
RegistryBGP
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 9 shared RIR contact/maintainer handles
Registry names 4 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (26)

⬇ export CSV
CIDR Org name Registry Status Confidence
152.89.4.0/24 4Consult B.V. BGP ANNOUNCED ● high
152.89.4.0/22 4Consult B.V. BGP ANNOUNCED ● high
2a09:2c40::/29 4Consult B.V. BGP ANNOUNCED ● high
2a09:2c40:a::/48 4Consult B.V. BGP ANNOUNCED ● high
2a09:2c40:b::/48 4Consult B.V. BGP ANNOUNCED ● high
2a09:2c40:c::/48 4Consult B.V. BGP ANNOUNCED ● high
2a09:2c40:d::/48 4Consult B.V. BGP ANNOUNCED ● high
2a09:2c40:e::/48 4Consult B.V. BGP ANNOUNCED ● high
2a09:2c40:f::/48 4Consult B.V. BGP ANNOUNCED ● high
2a09:2c40:10::/48 4Consult B.V. BGP ANNOUNCED ● high
2a09:2c40:11::/48 4Consult B.V. BGP ANNOUNCED ● high
2a09:2c40:12::/48 4Consult B.V. BGP ANNOUNCED ● high
2a09:2c40:13::/48 4Consult B.V. BGP ANNOUNCED ● high
152.89.5.0/27 NL_4CONSULT RIPE ASSIGNED PA ● low
152.89.5.32/28 NL_4CONSULT RIPE ASSIGNED PA ● low
152.89.6.0/28 NL_4CONSULT RIPE ASSIGNED PA ● low
152.89.6.16/28 NL_4CONSULT RIPE ASSIGNED PA ● low
152.89.6.32/28 NL_4CONSULT RIPE ASSIGNED PA ● low
152.89.6.48/29 NL_4CONSULT RIPE ASSIGNED PA ● low
152.89.6.64/27 NL_4CONSULT RIPE ASSIGNED PA ● low
152.89.6.96/27 NL_4CONSULT RIPE ASSIGNED PA ● low
152.89.6.128/27 NL_4CONSULT RIPE ASSIGNED PA ● low
152.89.6.160/27 NL_4CONSULT RIPE ASSIGNED PA ● low
152.89.6.192/27 NL_4CONSULT RIPE ASSIGNED PA ● low
152.89.7.224/27 NL_4CONSULT_CORE RIPE ASSIGNED PA ● low
2a09:2c40::/48 NL_4CONSULT_CORE RIPE ASSIGNED ● low

IPv6 ranges (12)

CIDR
2a09:2c40::/29
2a09:2c40:10::/48
2a09:2c40:11::/48
2a09:2c40:12::/48
2a09:2c40:13::/48
2a09:2c40::/48
2a09:2c40:a::/48
2a09:2c40:b::/48
2a09:2c40:c::/48
2a09:2c40:d::/48
2a09:2c40:e::/48
2a09:2c40:f::/48

Footprint over time

15 weekly snapshots · JSON
36 +3 netblocks since 2026-07-05
2026-07-05 peak 36 2026-10-04

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (36 of 36)
No discrepancies found among checked blocks.

NIC Handles

AS209377 DUMY-RIPE DUMY-RIPE MNT-4CONSULT MNT-4CONSULT MNT-FUSIONYX MNT-FUSIONYX ORG-BA1177-RIPE RIPE-NCC-HM-MNT