C.T.CO. Ltd.
Cluster stats
| Netblocks | 15 |
| Cluster ID | 191605691 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Shared handles | clustered on 7 shared RIR contact/maintainer handles |
| Registry names | 7 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
IP Ranges (15)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 217.21.168.0/22 | C.T.CO. Ltd. | BGP | ANNOUNCED | ● high |
| 217.21.168.0/21 | C.T.CO. Ltd. | BGP | ANNOUNCED | ● high |
| 217.21.172.0/22 | C.T.CO. Ltd. | BGP | ANNOUNCED | ● high |
| 217.21.160.0/24 | CTCO-SPEC | RIPE | ASSIGNED PA | ● low |
| 217.21.160.0/20 | C.T.CO. Ltd. | RIPE | ALLOCATED PA | ● low |
| 217.21.162.128/26 | CTCO-EXT | RIPE | ASSIGNED PA | ● low |
| 217.21.163.0/25 | CTCO-SWGFS | RIPE | ASSIGNED PA | ● low |
| 217.21.164.0 – 217.21.165.127 | CTCO-NET | RIPE | ASSIGNED PA | ● low |
| 217.21.166.0/24 | CTCO-MINSK | RIPE | LIR-PARTITIONED PA | ● low |
| 217.21.168.0/25 | CTCO-SPEC | RIPE | ASSIGNED PA | ● low |
| 217.21.168.128/25 | CTCO-SPEC | RIPE | ASSIGNED PA | ● low |
| 217.21.169.0/24 | CTCO-SPEC | RIPE | ASSIGNED PA | ● low |
| 217.21.170.0 – 217.21.171.127 | CTCO-SPEC | RIPE | ASSIGNED PA | ● low |
| 217.21.172.0 – 217.21.175.239 | CTCO-SPEC | RIPE | ASSIGNED PA | ● low |
| 217.21.175.240/28 | CTCO-SPEC | 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
(15 of 15)
No discrepancies found among checked blocks.
NIC Handles
AS15721
CTCO-MNT
CTCO-MNT
DUMY-RIPE
DUMY-RIPE
ORG-CL2-RIPE
RIPE-NCC-HM-MNT