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Autonomous System

AS18302

SK Telecom

Announced IPs
497,152
CIDR prefixes
148
ASN
AS18302

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 v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

About SK Telecom

SK Telecom Co., Ltd., abbreviated as SKT, is a South Korean wireless telecommunications operator and former film distributor and is part of the SK Group, one of the country's largest chaebols. It leads the local market with 50.5 percent share as of 2008.

Founded
1984
Headquarters
Jung District
Industry
telecommunications industry
Parent
SK Inc.
Employees
20,955

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
124.2.0.0/17 32.8K
8.1%
SK Telecom KR
124.3.128.0/17 32.8K
6.9%
SK Telecom KR
124.139.0.0/17 32.8K
7.0%
SK Telecom KR
218.36.128.0/17 32.8K
20.2%
SK Telecom KR Seoul Seocho-gu
219.253.0.0/17 32.8K
8.8%
SK Telecom KR
124.136.192.0/18 16.4K
5.6%
SK Telecom KR
124.138.0.0/18 16.4K
0.0%
SK Telecom KR
124.139.128.0/18 16.4K
6.6%
SK Telecom KR
219.252.64.0/18 16.4K
13.2%
SK Telecom KR Gyeonggi-do Yongin-si
219.252.128.0/18 16.4K
8.2%
SK Telecom KR
219.253.192.0/18 16.4K
7.4%
SK Telecom KR
124.2.128.0/19 8.2K
7.8%
SK Telecom KR
124.2.192.0/19 8.2K
6.2%
SK Telecom KR
124.3.32.0/19 8.2K
5.8%
SK Telecom KR
124.3.96.0/19 8.2K
5.3%
SK Telecom KR
124.136.160.0/19 8.2K
7.0%
SK Telecom KR
124.138.64.0/19 8.2K
0.0%
SK Telecom KR
124.138.192.0/19 8.2K
0.0%
SK Telecom KR
210.221.128.0/19 8.2K
33.6%
SK Telecom KR
211.47.192.0/19 8.2K
23.5%
SK Telecom KR
219.252.0.0/19 8.2K
19.4%
SK Telecom KR Gyeonggi-do Yongin-si
219.252.224.0/19 8.2K
10.3%
SK Telecom KR
219.253.160.0/19 8.2K
7.3%
SK Telecom KR
124.2.160.0/20 4.1K
4.9%
SK Telecom KR
124.2.224.0/20 4.1K
9.3%
SK Telecom KR
124.3.0.0/20 4.1K
5.1%
SK Telecom KR
124.136.128.0/20 4.1K
7.5%
SK Telecom KR
124.137.144.0/20 4.1K
32.5%
SK Telecom KR
124.138.96.0/20 4.1K
0.0%
SK Telecom KR
124.139.192.0/20 4.1K
3.3%
SK Telecom KR
124.139.240.0/20 4.1K
5.8%
SK Telecom KR
211.63.0.0/20 4.1K
21.4%
SK Telecom KR
211.110.240.0/20 4.1K
37.5%
SK Telecom KR
211.116.144.0/20 4.1K
17.1%
SK Telecom KR
211.187.144.0/20 4.1K
32.7%
SK Telecom KR
219.252.48.0/20 4.1K
14.1%
SK Telecom KR
219.253.144.0/20 4.1K
7.0%
SK Telecom KR
114.53.248.0/21 2.0K
12.3%
SK Telecom KR
124.2.176.0/21 2.0K
9.2%
SK Telecom KR
124.2.248.0/21 2.0K
6.0%
SK Telecom KR
124.3.16.0/21 2.0K
5.7%
SK Telecom KR
124.3.64.0/21 2.0K
8.2%
SK Telecom KR
124.136.144.0/21 2.0K
5.2%
SK Telecom KR
124.137.136.0/21 2.0K
27.5%
SK Telecom KR
124.138.112.0/21 2.0K
0.0%
SK Telecom KR
124.138.176.0/21 2.0K
0.0%
SK Telecom KR
124.138.224.0/21 2.0K
0.0%
SK Telecom KR
124.138.240.0/21 2.0K
0.0%
SK Telecom KR
124.139.216.0/21 2.0K
4.4%
SK Telecom KR
124.139.224.0/21 2.0K
5.6%
SK Telecom KR
210.205.248.0/21 2.0K
27.7%
SK Telecom KR
211.116.136.0/21 2.0K
20.5%
SK Telecom KR
219.252.40.0/21 2.0K
12.4%
SK Telecom KR
124.2.184.0/22 1.0K
6.8%
SK Telecom KR
124.2.244.0/22 1.0K
6.4%
SK Telecom KR
124.3.28.0/22 1.0K
5.4%
SK Telecom KR
124.3.80.0/22 1.0K
5.6%
SK Telecom KR
124.3.92.0/22 1.0K
7.7%
SK Telecom KR
124.136.152.0/22 1.0K
3.5%
SK Telecom KR
124.138.124.0/22 1.0K
0.0%
SK Telecom KR
124.138.140.0/22 1.0K
0.0%
SK Telecom KR
124.138.148.0/22 1.0K
0.0%
SK Telecom KR
124.138.156.0/22 1.0K
0.0%
SK Telecom KR
124.138.160.0/22 1.0K
0.0%
SK Telecom KR
124.138.168.0/22 1.0K
0.0%
SK Telecom KR
124.138.232.0/22 1.0K
0.0%
SK Telecom KR
124.139.212.0/22 1.0K
5.0%
SK Telecom KR
124.139.236.0/22 1.0K
3.2%
SK Telecom KR
211.52.156.0/22 1.0K
28.3%
SK Telecom KR
211.116.132.0/22 1.0K
36.4%
SK Telecom KR
219.252.32.0/22 1.0K
14.4%
SK Telecom KR
219.252.208.0/22 1.0K
8.1%
SK Telecom KR
219.253.136.0/22 1.0K
5.0%
SK Telecom KR
124.2.188.0/23 512
4.5%
SK Telecom KR
124.2.240.0/23 512
5.1%
SK Telecom KR
124.3.24.0/23 512
4.3%
SK Telecom KR
124.3.72.0/23 512
6.3%
SK Telecom KR
124.3.76.0/23 512
6.3%
SK Telecom KR
124.3.90.0/23 512
10.4%
SK Telecom KR
124.136.158.0/23 512
5.3%
SK Telecom KR
124.137.128.0/23 512
9.8%
SK Telecom KR
124.137.134.0/23 512
8.8%
SK Telecom KR
124.137.164.0/23 512
16.6%
SK Telecom KR
124.138.120.0/23 512
0.0%
SK Telecom KR
124.138.130.0/23 512
0.0%
SK Telecom KR
124.138.132.0/23 512
0.0%
SK Telecom KR
124.138.138.0/23 512
0.0%
SK Telecom KR
124.138.146.0/23 512
0.0%
SK Telecom KR
124.138.154.0/23 512
0.0%
SK Telecom KR
124.138.166.0/23 512
0.0%
SK Telecom KR
124.138.172.0/23 512
0.0%
SK Telecom KR
124.138.184.0/23 512
0.0%
SK Telecom KR
124.138.188.0/23 512
0.0%
SK Telecom KR
124.138.238.0/23 512
0.0%
SK Telecom KR
124.138.248.0/23 512
0.0%
SK Telecom KR
124.139.208.0/23 512
5.9%
SK Telecom KR
124.139.234.0/23 512
3.3%
SK Telecom KR
211.52.152.0/23 512
31.4%
SK Telecom KR
211.116.130.0/23 512
39.3%
SK Telecom KR
219.252.36.0/23 512
5.1%
SK Telecom KR

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS18302 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
114.53.125.0/24 45,754 2026-09-10 22:22:39
114.52.13.0/24 45,703 2026-09-10 22:22:39
114.52.112.0/24 45,701 2026-09-10 22:22:39
114.52.14.0/24 45,661 2026-09-10 22:22:39
114.52.31.0/24 45,660 2026-09-10 22:22:39
114.53.74.0/24 45,638 2026-09-10 22:22:39
114.53.255.0/24 45,628 2026-09-10 22:22:39
114.53.15.0/24 45,625 2026-09-10 22:22:39
114.52.81.0/24 45,617 2026-09-10 22:22:39
125.61.102.0/24 45,477 2026-09-10 22:22:39
124.3.128.0/17 45,429 2026-09-10 22:22:39
124.2.0.0/17 45,425 2026-09-10 22:22:39
124.2.128.0/17 45,418 2026-09-10 22:22:39
124.3.0.0/17 45,340 2026-09-10 22:22:39
124.138.0.0/15 45,258 2026-09-10 22:22:39
219.252.128.0/17 45,125 2026-09-10 22:22:39
218.36.192.0/18 45,124 2026-09-10 22:22:39
210.205.248.0/21 45,112 2026-09-10 22:22:39
219.253.160.0/19 45,111 2026-09-10 22:22:39
218.36.128.0/18 45,109 2026-09-10 22:22:39
219.253.0.0/17 45,102 2026-09-10 22:22:39
219.253.192.0/18 45,087 2026-09-10 22:22:39
219.252.0.0/17 45,072 2026-09-10 22:22:39
211.110.240.0/21 45,071 2026-09-10 22:22:39
211.63.0.0/20 45,066 2026-09-10 22:22:39
210.221.144.0/20 45,043 2026-09-10 22:22:39
211.110.248.0/21 45,029 2026-09-10 22:22:39
219.253.140.0/24 45,008 2026-09-10 22:22:39
211.187.144.0/21 45,007 2026-09-10 22:22:39
211.116.144.0/20 45,003 2026-09-10 22:22:39
211.116.128.0/20 44,980 2026-09-10 22:22:39
210.221.128.0/20 44,975 2026-09-10 22:22:39
211.187.152.0/21 44,975 2026-09-10 22:22:39
211.47.208.0/20 44,962 2026-09-10 22:22:39
219.253.144.0/20 44,956 2026-09-10 22:22:39
211.47.192.0/20 44,940 2026-09-10 22:22:39
211.52.152.0/21 44,938 2026-09-10 22:22:39
219.253.142.0/24 44,915 2026-09-10 22:22:39
219.253.136.0/22 44,904 2026-09-10 22:22:39
211.63.2.0/24 40,927 2026-08-31 03:17:42
58.103.143.0/24 35,412 2026-09-03 01:11:04
58.102.96.0/22 35,365 2026-09-03 01:11:04
58.103.137.0/24 35,191 2026-09-03 01:11:04
61.254.148.0/24 35,157 2026-09-03 01:11:04
124.137.164.0/24 35,156 2026-09-03 01:11:04
124.137.165.0/24 35,147 2026-09-03 01:11:04
58.103.17.0/24 35,145 2026-09-03 01:11:04
218.36.247.0/24 33,186 2026-08-31 03:17:42
219.252.90.0/24 33,174 2026-08-31 03:17:42
219.252.121.0/24 33,035 2026-08-31 03:17:42

Showing top 50 of 67 announced prefixes by sample volume.

Frequently Asked Questions

What is AS18302?

AS18302 is an Autonomous System Number assigned to SK Telecom. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS18302 announce?

AS18302 announces 497.2K IPv4 addresses distributed across 148 routed CIDR prefixes. The network is registered in South Korea.

Who operates AS18302?

AS18302 is operated by SK Telecom. The organization is based in South Korea. You can view all IP ranges and related ASNs on the organization page.

What country is AS18302 registered in?

AS18302 is registered in South Korea. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-09-10 22:39:05 UTC
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