Korea Telecom
BGP inherited
Cluster stats
| Netblocks | 3,356 |
| All fragments | 4,553 blocks across 107 clusters |
| Cluster ID | 204397647 |
| Registry | APNIC |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 36 shared RIR contact/maintainer handles |
| Registry names | 8 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
4 weekly snapshots · JSON
3,356
-41 netblocks since 2026-07-05
2026-07-05
peak 3,397
2026-07-13
IP Ranges (3,356)
showing 50 of 3,356 — see all — ⬇ export CSV (free export limited to 500 rows — subscribe for the full export)| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 14.49.22.0/24 | Korea Telecom | BGP | ANNOUNCED | ● high |
| 27.255.96.0/21 | KOREA CABLE TELECOM | BGP | ANNOUNCED | ● high |
| 27.255.100.0/24 | KOREA CABLE TELECOM | BGP | ANNOUNCED | ● high |
| 27.255.105.0/24 | KOREA CABLE TELECOM | BGP | ANNOUNCED | ● high |
| 49.238.228.0/24 | KOREA CABLE TELECOM | BGP | ANNOUNCED | ● high |
| 49.238.229.0/24 | KOREA CABLE TELECOM | BGP | ANNOUNCED | ● high |
| 49.238.230.0/24 | KOREA CABLE TELECOM | BGP | ANNOUNCED | ● high |
| 61.83.247.0/25 | Korea Telecom | BGP | ANNOUNCED | ● high |
| 61.83.247.128/25 | Korea Telecom | BGP | ANNOUNCED | ● high |
| 110.44.48.0/23 | KOREA CABLE TELECOM | BGP | ANNOUNCED | ● high |
| 110.44.50.0/23 | KOREA CABLE TELECOM | BGP | ANNOUNCED | ● high |
| 110.44.52.0/22 | KOREA CABLE TELECOM | BGP | ANNOUNCED | ● high |
| 112.140.144.0/21 | KOREA CABLE TELECOM | BGP | ANNOUNCED | ● high |
| 180.92.241.0/24 | Korea Telecom | BGP | ANNOUNCED | ● high |
| 180.92.242.160/27 | Korea Telecom | BGP | ANNOUNCED | ● high |
| 180.92.242.160/28 | Korea Telecom | BGP | ANNOUNCED | ● high |
| 180.92.242.176/28 | Korea Telecom | BGP | ANNOUNCED | ● high |
| 180.92.242.224/29 | Korea Telecom | BGP | ANNOUNCED | ● high |
| 180.92.242.232/29 | Korea Telecom | BGP | ANNOUNCED | ● high |
| 180.92.242.240/29 | Korea Telecom | BGP | ANNOUNCED | ● high |
| 180.92.242.248/29 | Korea Telecom | BGP | ANNOUNCED | ● high |
| 180.92.243.32/28 | Korea Telecom | BGP | ANNOUNCED | ● high |
| 180.92.243.48/28 | Korea Telecom | BGP | ANNOUNCED | ● high |
| 180.92.248.0/24 | Korea Telecom | BGP | ANNOUNCED | ● high |
| 180.92.249.0/25 | Korea Telecom | BGP | ANNOUNCED | ● high |
| 180.92.249.144/28 | Korea Telecom | BGP | ANNOUNCED | ● high |
| 180.92.249.160/28 | Korea Telecom | BGP | ANNOUNCED | ● high |
| 180.92.249.176/28 | Korea Telecom | BGP | ANNOUNCED | ● high |
| 180.92.249.192/28 | Korea Telecom | BGP | ANNOUNCED | ● high |
| 180.92.249.208/29 | Korea Telecom | BGP | ANNOUNCED | ● high |
| 180.92.249.224/28 | Korea Telecom | BGP | ANNOUNCED | ● high |
| 180.92.250.0/24 | Korea Telecom | BGP | ANNOUNCED | ● high |
| 180.92.251.0/24 | Korea Telecom | BGP | ANNOUNCED | ● high |
| 180.92.252.32/28 | Korea Telecom | BGP | ANNOUNCED | ● high |
| 180.92.252.64/29 | Korea Telecom | BGP | ANNOUNCED | ● high |
| 180.92.252.80/28 | Korea Telecom | BGP | ANNOUNCED | ● high |
| 180.92.253.128/25 | Korea Telecom | BGP | ANNOUNCED | ● high |
| 180.92.254.0/24 | Korea Telecom | BGP | ANNOUNCED | ● high |
| 180.92.255.0/27 | Korea Telecom | BGP | ANNOUNCED | ● high |
| 180.92.255.32/27 | Korea Telecom | BGP | ANNOUNCED | ● high |
| 180.92.255.96/28 | Korea Telecom | BGP | ANNOUNCED | ● high |
| 180.92.255.128/25 | Korea Telecom | BGP | ANNOUNCED | ● high |
| 203.17.226.0/24 | KOREA CABLE TELECOM | BGP | ANNOUNCED | ● high |
| 203.82.220.0/24 | KOREA CABLE TELECOM | BGP | ANNOUNCED | ● high |
| 203.82.221.0/24 | KOREA CABLE TELECOM | BGP | ANNOUNCED | ● high |
| 203.129.6.0/24 | KOREA CABLE TELECOM | BGP | ANNOUNCED | ● high |
| 203.129.7.0/24 | KOREA CABLE TELECOM | BGP | ANNOUNCED | ● high |
| 203.234.111.128/28 | Korea Telecom | BGP | ANNOUNCED | ● high |
| 203.241.167.128/28 | Korea Telecom | BGP | ANNOUNCED | ● high |
| 203.242.5.0/24 | Korea Telecom | BGP | ANNOUNCED | ● high |
Network trust
what's this?
RPKI hygiene: F
how networks compare →
1.2%
of checked blocks have valid RPKI ROA coverage
(24 of 2,000, sampled from 3,356)
Possible discrepancies (2)
These blocks are registered to Korea Telecom but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 217.60.3.0/24 /24 | authorized for AS56971 — CGI GLOBAL LIMITED |
| 217.60.7.0/24 /24 | authorized for AS56971 — CGI GLOBAL LIMITED |
NIC Handles
AR834
AS3257-IPAM-MNT
AS3559
AS38424
AS401152
AS4040
AS45400
AS4766
AS9304
CH455-AP
CTL48-RIPE
DUMY-RIPE
+24 more