COLT-BB-CORE
Handle
Cluster stats
| Netblocks | 9 · 2,295 IPv4 addresses |
| All fragments | 27 blocks across 19 clusters |
| Cluster ID | 209556906 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | RIR handle |
| 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
9
0 netblocks since 2026-07-05
2026-07-05
peak 9
2026-07-19
IP Ranges (9)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 212.74.76.0/24 | COLT-BB-CORE | RIPE | ASSIGNED PA | ● low |
| 212.74.81.0/24 | COLT-BB-CORE | RIPE | ASSIGNED PA | ● low |
| 212.74.84.0/24 | COLT-BB-CORE | RIPE | ASSIGNED PA | ● low |
| 212.74.85.0/24 | COLT-BB-CORE | RIPE | ASSIGNED PA | ● low |
| 212.74.86.0/24 | COLT-BB-CORE | RIPE | ASSIGNED PA | ● low |
| 212.74.87.0/24 | COLT-BB-CORE | RIPE | ASSIGNED PA | ● low |
| 212.74.89.0/24 | COLT-BB-CORE | RIPE | ASSIGNED PA | ● low |
| 212.74.91.0/24 | COLT-BB-CORE | RIPE | ASSIGNED PA | ● low |
| 212.74.93.0/24 | COLT-BB-CORE | 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
(9 of 9)
No discrepancies found among checked blocks.
NIC Handles
COLT-MNT
DUMY-RIPE
DUMY-RIPE