COLT Technology Services Group Limited

COLT-CH-ZUR-WAN
BGP inherited
Cluster stats
Netblocks17 · 675 IPv4 addresses
All fragments 20 blocks across 3 clusters
Cluster ID209118610
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 3 shared RIR contact/maintainer handles
Registry names 1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

5 weekly snapshots · JSON
17 0 netblocks since 2026-07-05
2026-07-05 peak 17 2026-07-19

IP Ranges (17)

⬇ export CSV
CIDR Org name Registry Status Confidence
212.23.240.0/27 COLT-CH-ZUR-WAN RIPE ASSIGNED PA ● low
212.23.240.32/28 COLT-CH-ZUR-WAN RIPE ASSIGNED PA ● low
212.23.240.48/29 COLT-CH-ZUR-WAN RIPE ASSIGNED PA ● low
212.23.240.64/27 COLT-CH-ZUR-WAN RIPE ASSIGNED PA ● low
212.23.240.96/28 COLT-CH-ZUR-WAN RIPE ASSIGNED PA ● low
212.23.240.120/29 COLT-CH-ZUR-WAN RIPE ASSIGNED PA ● low
212.23.240.128/25 COLT-CH-ZUR-WAN RIPE ASSIGNED PA ● low
212.23.244.0 – 212.23.244.115 COLT-CH-ZUR-WAN RIPE ASSIGNED PA ● low
212.23.244.120 – 212.23.244.255 COLT-CH-ZUR-WAN RIPE ASSIGNED PA ● low
213.173.187.0/26 COLT-CH-ZUR-WAN RIPE ASSIGNED PA ● low
213.173.187.64/28 COLT-CH-ZUR-WAN RIPE ASSIGNED PA ● low
213.173.187.88/29 COLT-CH-ZUR-WAN RIPE ASSIGNED PA ● low
213.173.187.96/28 COLT-CH-ZUR-WAN RIPE ASSIGNED PA ● low
213.173.187.112/29 COLT-CH-ZUR-WAN RIPE ASSIGNED PA ● low
213.173.187.136/29 COLT-CH-ZUR-WAN RIPE ASSIGNED PA ● low
213.173.187.144/28 COLT-CH-ZUR-WAN RIPE ASSIGNED PA ● low
213.173.187.192/26 COLT-CH-ZUR-WAN RIPE ASSIGNED PA ● 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)
No discrepancies found among checked blocks.

NIC Handles

COLT-CH-MNT DUMY-RIPE DUMY-RIPE