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Organization

Korea Telecom

IPv4 addresses
46,403,322
CIDR ranges
5,470
Category
isp
BGP prefixes announced
3,380

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

70/100
Moderate
How this score is built
  • Baseline (neutral) 65
  • Isp allocation +5
  • Trust score 70 / 100

Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →

About KT Corporation

KT Corporation, formerly Korea Telecom, is a South Korean telecommunications company, mobile network operator (MNO) and mobile virtual network operator (MVNO). KT is the large wireless carrier in South Korea, with 13.5 million subscribers as of Q4 2023.

Founded
1981
Headquarters
Seongnam
Industry
telecommunications industry

Operates 1 network present at 14 internet exchanges with a selective peering policy.

Korea Telecom — global IP footprint

Cities where Korea Telecom has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.

Countries served by Korea Telecom

Every country where this organization has IPv4 allocations, ranked by IPs held.

ASNs owned by Korea Telecom

ASNNameIPsPrefixesCountry
AS4766 Korea Telecom 46.38M 5,383 KR
AS45400 Korea Telecom 25.9K 83 KR
AS4040 Korea Telecom 256 1 KR

Largest CIDR ranges

CIDRIPsPTR DensityASNCountryStateCity
14.64.0.0/11 2.10M
0.0%
AS4766 KR Gyeongsangbuk-do Gumi
175.224.0.0/11 2.10M
0.0%
AS4766 KR — —
1.96.0.0/12 1.05M
0.0%
AS4766 KR — —
39.16.0.0/12 1.05M
0.0%
AS4766 KR — —
49.16.0.0/12 1.05M
0.0%
AS4766 KR — —
115.0.0.0/12 1.05M
0.2%
AS4766 KR Gwangju Gwangju
118.48.0.0/12 1.05M
0.2%
AS4766 KR Gyeongsangbuk-do Chilgok-gun
119.208.0.0/12 1.05M
0.2%
AS4766 KR — —
125.144.0.0/12 1.05M
0.0%
AS4766 KR Gyeongsangbuk-do Chilgok-gun
169.208.0.0/12 1.05M
0.0%
AS4766 KR Daegu Buk-gu
183.112.0.0/12 1.05M
0.0%
AS4766 KR — —
27.232.0.0/13 524.3K
0.0%
AS4766 KR Seoul Seoul
49.56.0.0/13 524.3K
0.0%
AS4766 KR — —
112.176.0.0/13 524.3K
0.0%
AS4766 KR — —
125.136.0.0/13 524.3K
0.1%
AS4766 KR Seoul Gwanak-gu
175.216.0.0/13 524.3K
0.0%
AS4766 KR Seoul Seocho-gu
39.4.0.0/14 262.1K
0.0%
AS4766 KR Seoul Seocho-gu
110.68.0.0/14 262.1K
0.0%
AS4766 KR Seoul Gangnam-gu
112.188.0.0/14 262.1K
0.0%
AS4766 KR Gyeonggi-do Osan
115.16.0.0/14 262.1K
0.2%
AS4766 KR — —
118.40.0.0/14 262.1K
0.2%
AS4766 KR Daejeon Daejeon
121.152.0.0/14 262.1K
0.0%
AS4766 KR Jeollabuk-do Gunsan
183.104.0.0/14 262.1K
0.0%
AS4766 KR Gyeongsangbuk-do Andong
221.152.0.0/14 262.1K
0.0%
AS4766 KR Gyeonggi-do Seongnam-si
14.42.0.0/15 131.1K
0.0%
AS4766 KR Gyeonggi-do Goyang-si
14.50.0.0/15 131.1K
0.1%
AS4766 KR Chungcheongnam-do Hongseong-gun
14.58.0.0/15 131.1K
0.0%
AS4766 KR Gyeonggi-do Namyangju
14.60.0.0/15 131.1K
0.0%
AS4766 KR — —
59.20.0.0/15 131.1K
0.2%
AS4766 KR Gyeongsangnam-do Changwon
59.24.0.0/15 131.1K
0.1%
AS4766 KR Gyeongsangbuk-do Gumi
112.164.0.0/15 131.1K
0.0%
AS4766 KR Jeollanam-do Yeosu
112.186.0.0/15 131.1K
0.0%
AS4766 KR Seoul Mapo-gu
116.200.0.0/15 131.1K
0.0%
AS4766 KR — —
118.32.0.0/15 131.1K
0.2%
AS4766 KR Gyeonggi-do Uijeongbu-si
118.38.0.0/15 131.1K
0.2%
AS4766 KR Ulsan Dong-gu
118.44.0.0/15 131.1K
0.2%
AS4766 KR Daegu Daegu
118.234.0.0/15 131.1K
0.1%
AS4766 KR Seoul Yongsan-gu
119.198.0.0/15 131.1K
0.3%
AS4766 KR Gyeongsangnam-do Changwon
119.206.0.0/15 131.1K
0.5%
AS4766 KR Gyeonggi-do Anyang-si
121.136.0.0/15 131.1K
0.0%
AS4766 KR Gyeonggi-do Yongin-si
121.142.0.0/15 131.1K
0.0%
AS4766 KR Incheon Seo-gu
121.146.0.0/15 131.1K
0.0%
AS4766 KR Gyeongsangnam-do Changwon
121.148.0.0/15 131.1K
0.0%
AS4766 KR Gwangju Nam-gu
121.158.0.0/15 131.1K
0.1%
AS4766 KR Gyeongsangbuk-do Gimcheon
121.166.0.0/15 131.1K
0.1%
AS4766 KR Seoul Gangnam-gu
121.178.0.0/15 131.1K
0.0%
AS4766 KR Jeollanam-do Yeosu
121.182.0.0/15 131.1K
0.0%
AS4766 KR Daegu Daegu
121.184.0.0/15 131.1K
0.0%
AS4766 KR Chungcheongnam-do Nonsan
125.134.0.0/15 131.1K
0.0%
AS4766 KR Gyeongsangnam-do Changwon
125.136.0.0/15 131.1K
0.0%
AS4766 KR Jeollanam-do Mokpo
125.140.0.0/15 131.1K
0.2%
AS4766 KR Seoul Gwanak-gu
175.198.0.0/15 131.1K
0.0%
AS4766 KR Gyeongsangnam-do Changwon
220.124.0.0/15 131.1K
0.0%
AS4766 KR North Chungcheong Cheongju-si
221.166.0.0/15 131.1K
0.0%
AS4766 KR Gyeongsangbuk-do Gyeongsan-si
222.98.0.0/15 131.1K
0.1%
AS4766 KR Gyeonggi-do Osan
222.102.0.0/15 131.1K
0.0%
AS4766 KR Gyeongsangbuk-do Pohang
222.114.0.0/15 131.1K
0.0%
AS4766 KR Daejeon Jung-gu
14.33.0.0/16 65.5K
0.0%
AS4766 KR Gyeonggi-do Gwangju
14.40.0.0/16 65.5K
0.0%
AS4766 KR Seoul Gangdong-gu
14.43.0.0/16 65.5K
0.0%
AS4766 KR Busan Saha-gu
14.45.0.0/16 65.5K
0.0%
AS4766 KR Gyeongsangbuk-do Pohang
14.46.0.0/16 65.5K
0.0%
AS4766 KR Gyeongsangbuk-do Chilgok-gun
14.48.0.0/16 65.5K
0.0%
AS4766 KR Jeollanam-do Suncheon-si
14.51.0.0/16 65.5K
0.0%
AS4766 KR Daejeon Seo-gu
14.54.0.0/16 65.5K
0.0%
AS4766 KR Gangwon-do Wŏnju
14.57.0.0/16 65.5K
0.0%
AS4766 KR Seoul Seoul
14.62.0.0/16 65.5K
0.0%
AS4766 KR — —
49.254.0.0/16 65.5K
0.1%
AS4766 KR Gyeonggi-do Yongin-si
59.0.0.0/16 65.5K
0.0%
AS4766 KR Gwangju Dong-gu
59.3.0.0/16 65.5K
0.0%
AS4766 KR Gwangju Buk-gu
59.4.0.0/16 65.5K
0.0%
AS4766 KR Jeollanam-do Goheung-gun
59.6.0.0/16 65.5K
0.1%
AS4766 KR Seoul Seongdong-gu
59.9.0.0/16 65.5K
0.0%
AS4766 KR Gyeonggi-do Guri-si
59.16.0.0/16 65.5K
0.0%
AS4766 KR Incheon Incheon
59.19.0.0/16 65.5K
0.1%
AS4766 KR Busan Buk-gu
59.22.0.0/16 65.5K
0.0%
AS4766 KR Gyeongsangnam-do Changwon
59.24.0.0/16 65.5K
0.0%
AS4766 KR Gyeongsangbuk-do Gumi
59.28.0.0/16 65.5K
0.1%
AS4766 KR Gyeongsangnam-do Geoje-si
59.31.0.0/16 65.5K
0.0%
AS4766 KR North Chungcheong Chungju
112.160.0.0/16 65.5K
0.0%
AS4766 KR Gyeongsangnam-do Changwon
112.163.0.0/16 65.5K
0.0%
AS4766 KR Gyeongsangnam-do Geoje-si
112.167.0.0/16 65.5K
0.0%
AS4766 KR Daejeon Yuseong-gu
112.169.0.0/16 65.5K
0.1%
AS4766 KR Seoul Gangnam-gu
112.173.0.0/16 65.5K
0.0%
AS4766 KR North Chungcheong Jecheon
112.174.0.0/16 65.5K
0.0%
AS4766 KR Seoul Gangnam-gu
112.185.0.0/16 65.5K
0.0%
AS4766 KR Gyeongsangnam-do Gimhae
115.20.0.0/16 65.5K
0.2%
AS4766 KR North Chungcheong Okcheon
118.33.0.0/16 65.5K
0.2%
AS4766 KR Seoul Mapo-gu
118.34.0.0/16 65.5K
0.4%
AS4766 KR Daejeon Daejeon
118.36.0.0/16 65.5K
0.3%
AS4766 KR Gyeonggi-do Anyang-si
118.46.0.0/16 65.5K
0.2%
AS4766 KR Gangwon-do Sokcho-si
119.194.0.0/16 65.5K
0.3%
AS4766 KR Incheon Seo-gu
119.200.0.0/16 65.5K
0.2%
AS4766 KR Jeollanam-do Suncheon
119.203.0.0/16 65.5K
0.3%
AS4766 KR Chungcheongnam-do Buyeo-gun
119.204.0.0/16 65.5K
0.2%
AS4766 KR Chungcheongnam-do Asan
121.126.0.0/16 65.5K
0.1%
AS4766 KR Seoul Gangnam-gu
121.130.0.0/16 65.5K
0.0%
AS4766 KR Seoul Gwangjin-gu
121.132.0.0/16 65.5K
0.0%
AS4766 KR Gyeonggi-do Yangju
121.136.0.0/16 65.5K
0.0%
AS4766 KR Gyeonggi-do Suwon
121.138.0.0/16 65.5K
0.1%
AS4766 KR Gyeonggi-do Seongnam-si

Frequently Asked Questions

How many IP addresses does Korea Telecom own?

Korea Telecom controls 46.40M IPv4 addresses distributed across 5,470 CIDR ranges. The organization is registered in South Korea.

What ASNs does Korea Telecom operate?

Korea Telecom operates 3 Autonomous Systems. Each ASN represents an independently routed network that Korea Telecom manages for internet traffic delivery.

What type of organization is Korea Telecom?

Korea Telecom is categorized as isp. This classification is based on the organization's primary use of its IP address allocations.

Last updated: 2026-10-11 10:54:05 UTC
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