Korea Telecom

BGP inherited
Complete entity footprint
2 linked clusters · 5,147 netblocks · 116,210,626 IPv4 addresses
This organisation's clusters combined by evidence — shared operating domain gwangjin.go.kr — not name similarity, so genuinely different organisations that share a name are excluded.
View the full entity page →
Cluster stats
Netblocks3,349 · 70,034,881 IPv4 addresses
Registered in South Korea (2,856) · United States (72) · United Kingdom (33) · United Arab Emirates (17) · Hong Kong (5) · France (3)
Cluster ID208783556
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 27 shared RIR contact/maintainer handles
Registry names 4 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

5 weekly snapshots · JSON
3,356 -41 netblocks since 2026-07-05
2026-07-05 peak 3,397 2026-07-19

IP Ranges (3,349)

showing 50 of 3,349 — 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

Domains hosted in this network

what's this?
cafe24.com mobon.net dable.io mediacategory.com ntp.org gethompy.com mman.kr netmarble.com pstatic.net poxo.com ad4989.co.kr clickon.kr megadata.co.kr dvrlink.net doem-0tpdlqj.com gmarket.co.kr yna.co.kr 81plug.com tend-table.com wo.to

Network trust

what's this?
RPKI hygiene: F how networks compare →
7.7% of checked blocks have valid RPKI ROA coverage (154 of 2,000, sampled from 3,349)
Wholesale/transit re-announcements (24)

These blocks are registered to Korea Telecom but cryptographically authorized across 6 different networks — typical for a large wholesale or transit carrier whose address space is substantially re-announced by downstream customers under their own ASNs, not individually noteworthy.

109.174.236.0/22 /22 authorized for AS263812 — AS263812
23.90.6.0/23 /23 authorized for AS62904 — Eonix Corporation
31.77.176.0/23 /23 authorized for AS401152 — Ace Data Centers II, L.L.C.
31.77.190.0/23 /23 authorized for AS9304 — HGC Global Communications Limited
192.6.194.0/23 /23 authorized for AS9304 — HGC Global Communications Limited
192.120.124.0/23 /23 authorized for AS9304 — HGC Global Communications Limited
192.132.106.0/23 /23 authorized for AS9304 — HGC Global Communications Limited
192.25.216.0/23 /23 authorized for AS9304 — HGC Global Communications Limited
16.216.4.0/23 /23 authorized for AS9304 — HGC Global Communications Limited
16.217.2.0/23 /23 authorized for AS9304 — HGC Global Communications Limited
192.26.52.0/23 /23 authorized for AS9304 — HGC Global Communications Limited
192.48.154.0/23 /23 authorized for AS9304 — HGC Global Communications Limited
192.78.218.0/23 /23 authorized for AS9304 — HGC Global Communications Limited
192.82.164.0/23 /23 authorized for AS9304 — HGC Global Communications Limited
192.102.128.0/23 /23 authorized for AS9304 — HGC Global Communications Limited
+9 more — see the REST API

NIC Handles

AR834 AS3257-IPAM-MNT AS3559 AS38424 AS401152 AS4040 AS45400 AS4766 AS9304 CTL48-RIPE DUMY-RIPE DUMY-RIPE +15 more