CTB Media Inc.
Data as of 2026-08-16
BGP inherited
Cluster stats
| Netblocks | 28 · 16,395 IPv4 addresses |
| IPv6 | 12 prefixes (largest 2402:6c80::/32) |
| Registered in | Japan (15) · Hong Kong (1) |
| Cluster ID | 222402120 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 2 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
8 weekly snapshots · JSON
28
0 netblocks since 2026-07-05
2026-07-05
peak 28
2026-08-16
IP Ranges (28)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 49.128.24.0/21 | CTB Media Inc. | BGP | ANNOUNCED | ● high |
| 49.128.96.0/22 | CTB Media Inc. | BGP | ANNOUNCED | ● high |
| 101.203.74.56/32 | CTB Media Inc. | PEERINGDB | ASSIGNED | ● high |
| 101.203.78.28/32 | CTB Media Inc. | PEERINGDB | ASSIGNED | ● high |
| 101.203.88.100/32 | CTB Media Inc. | PEERINGDB | ASSIGNED | ● high |
| 101.203.104.11/32 | CTB Media Inc. | PEERINGDB | ASSIGNED | ● high |
| 103.203.158.124/32 | CTB Media Inc. | PEERINGDB | ASSIGNED | ● high |
| 103.231.152.124/32 | CTB Media Inc. | PEERINGDB | ASSIGNED | ● high |
| 203.201.52.0/22 | CTB Media Inc. | BGP | ANNOUNCED | ● high |
| 210.173.176.193/32 | CTB Media Inc. | PEERINGDB | ASSIGNED | ● high |
| 210.173.184.13/32 | CTB Media Inc. | PEERINGDB | ASSIGNED | ● high |
| 210.173.188.13/32 | CTB Media Inc. | PEERINGDB | ASSIGNED | ● high |
| 211.15.112.0/20 | CTB Media Inc. | BGP | ANNOUNCED | ● high |
| 211.19.224.0/19 | CTB Media Inc. | BGP | ANNOUNCED | ● high |
| 218.100.9.103/32 | CTB Media Inc. | PEERINGDB | ASSIGNED | ● high |
| 218.100.9.136/32 | CTB Media Inc. | PEERINGDB | ASSIGNED | ● high |
| 2001:7fa:7:1:0:2:3780:1/128 | CTB Media Inc. | PEERINGDB | ASSIGNED | ● high |
| 2001:7fa:7:2:0:2:3780:1/128 | CTB Media Inc. | PEERINGDB | ASSIGNED | ● high |
| 2001:7fa:7:4:0:2:3780:1/128 | CTB Media Inc. | PEERINGDB | ASSIGNED | ● high |
| 2001:de8:c::2:3780:1/128 | CTB Media Inc. | PEERINGDB | ASSIGNED | ● high |
| 2001:de8:c:2:0:2:3780:1/128 | CTB Media Inc. | PEERINGDB | ASSIGNED | ● high |
| 2001:de8:c:2:0:2:3780:2/128 | CTB Media Inc. | PEERINGDB | ASSIGNED | ● high |
| 2001:de8:c:4:0:2:3780:1/128 | CTB Media Inc. | PEERINGDB | ASSIGNED | ● high |
| 2001:df5:b800:bb00:0:2:3780:1/128 | CTB Media Inc. | PEERINGDB | ASSIGNED | ● high |
| 2402:6c80::/32 | CTB Media Inc. | BGP | ANNOUNCED | ● high |
| 2403:c780:7200:b074:0:2:3780:1/128 | CTB Media Inc. | PEERINGDB | ASSIGNED | ● high |
| 2403:c780:7200:b078:0:2:3780:1/128 | CTB Media Inc. | PEERINGDB | ASSIGNED | ● high |
| 2403:c780:b800:bb00:0:2:3780:1/128 | CTB Media Inc. | PEERINGDB | ASSIGNED | ● high |
IPv6 ranges (12)
Network trust
what's this?
RPKI hygiene: C
how networks compare →
67.9%
of checked blocks have valid RPKI ROA coverage
(19 of 28)
No discrepancies found among checked blocks.
NIC Handles
AS23780
AS23780