COBALT GROUP

Cobalt Group BV
Data as of 2026-07-26
GLEIF verified
LEI
894500XNR8LA74X1F657
Registered name
COBALT GROUP
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks19 · 4,232 IPv4 addresses
IPv6 2 prefixes (largest 2a05:2600::/29)
Registered in Belgium (15) · France (1) · United Kingdom (1)
All fragments 36 blocks across 11 clusters
Cluster ID213391844
RegistryBGP
Owner jurisdictionBE
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 894500XNR8LA74X1F657
Shared handles clustered on 12 shared RIR contact/maintainer handles
Registry names 4 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

6 weekly snapshots · JSON
20 0 netblocks since 2026-07-05
2026-07-05 peak 20 2026-07-26

IP Ranges (19)

⬇ export CSV
CIDR Org name Registry Status Confidence
2.57.40.0/24 Cobalt Group BV BGP ANNOUNCED ● high
2.57.41.0/24 Cobalt Group BV BGP ANNOUNCED ● high
2.57.42.0/24 Cobalt Group BV BGP ANNOUNCED ● high
91.236.244.0/24 Cobalt Group BV BGP ANNOUNCED ● high
91.236.245.0/24 Cobalt Group BV BGP ANNOUNCED ● high
185.70.44.0/24 Cobalt Group BV BGP ANNOUNCED ● high
195.253.208.0/24 Cobalt Group BV BGP ANNOUNCED ● high
195.253.209.0/24 Cobalt Group BV BGP ANNOUNCED ● high
195.253.210.0/24 Cobalt Group BV BGP ANNOUNCED ● high
195.253.211.0/24 Cobalt Group BV BGP ANNOUNCED ● high
2a05:2600::/29 Cobalt Group BV BGP ANNOUNCED ● high
2.57.40.0/22 Cobalt Group BV RIPE ALLOCATED-ASSIGNED PA ● low
46.19.7.0/24 Cobalt Group BV RIPE ALLOCATED PA ● low
89.30.85.112/29 Cobalt-XCO-PA4 RIPE ASSIGNED PA ● low
91.236.244.0/23 Cobalt Group BV RIPE ASSIGNED PI ● low
171.25.229.0/24 Cobalt Group BV RIPE ASSIGNED PI ● low
185.70.44.0/22 Cobalt Group BV RIPE ALLOCATED PA ● low
213.253.146.128/25 Cobalt RIPE ASSIGNED PA ● low
2a10:43c0::/29 Cobalt Group BV RIPE ALLOCATED-BY-RIR ● low

IPv6 ranges (2)

Network trust

what's this?
RPKI hygiene: C how networks compare →
65.0% of checked blocks have valid RPKI ROA coverage (13 of 20)
Possible discrepancies (1)

These blocks are registered to Cobalt Group 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.

171.25.229.0/24 /24 authorized for AS39923 — Unix-Solutions BV

NIC Handles

AS5587-MNT AS57948 BSOCOM-MNT DUMY-RIPE DUMY-RIPE MNT-DK MNT-DK ORG-CGB1-RIPE ORG-CGB2-RIPE RIPE-NCC-END-MNT RIPE-NCC-HM-MNT mnt-be-cloudgroup-1