Columbus
COLUMBUS
Cluster stats
Netblocks17
All fragments 1,139 blocks across 37 clusters
Cluster ID191390552
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 10 shared RIR contact/maintainer handles
Registry names 5 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

IP Ranges (17)

⬇ export CSV
CIDR Org name Registry Status Confidence
5.149.193.224/29 COLUMBUS RIPE ASSIGNED PA ● low
46.186.108.144/28 Columbus RIPE ASSIGNED PA ● low
62.99.216.168/29 COLUMBUS RIPE ASSIGNED PA ● low
62.219.182.88/29 COLUMBUS-LTD RIPE ASSIGNED PA ● low
81.223.94.56/29 COLUMBUS RIPE ASSIGNED PA ● low
81.223.94.64/29 COLUMBUS RIPE ASSIGNED PA ● low
81.223.94.72/29 COLUMBUS RIPE ASSIGNED PA ● low
81.223.94.80/29 COLUMBUS RIPE ASSIGNED PA ● low
81.223.94.88/29 COLUMBUS RIPE ASSIGNED PA ● low
81.223.192.200/29 COLUMBUS RIPE ASSIGNED PA ● low
194.192.12.0/24 COLUMBUS RIPE ASSIGNED PA ● low
194.228.201.128/28 COLUMBUS RIPE ASSIGNED PA ● low
212.62.199.96/29 COLUMBUS_HOSTING RIPE ASSIGNED PA ● low
212.62.204.96/28 COLUMBUS RIPE ASSIGNED PA ● low
213.126.200.44/30 COLUMBUS_GROUP_BV RIPE ASSIGNED PA ● low
217.24.200.0/28 COLUMBUS RIPE ASSIGNED PA ● low
2001:41f0:49c7::/48 COLUMBUS_GROUP_BV RIPE ASSIGNED ● low

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (17 of 17)
Possible discrepancies (2)

These blocks are registered to COLUMBUS but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2001:41f0:49c7::/48 /48 authorized for AS33915 — Vodafone Libertel B.V.
194.192.12.0/24 /24 authorized for AS3292 — TDC Holding A/S

NIC Handles

AS5610-MTN AS8551-MNT COMPLEX-MNT DK-NIC DUMY-RIPE DUMY-RIPE MULTIMEDIA-MNT PRIO-MNT TELEDATA-MNT ZIGGO-AUTOREG1