Autonomous System details

AS23563

SK Broadband Co Ltd · skbroadband.com

South Korea

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AS23563 – SK Broadband Co Ltd

Field	Value
Country	South Korea
Website	skbroadband.com
Hosted domains	56
IPv4 addresses	204,800
IPv6 addresses	0
ASN type	ISP
Registry	apnic
Updated	5 years ago on Jan 05, 2021

Netblock	Company	Num of IPs
218.209.0.0/16	SK Broadband Co Ltd	65,536
27.119.0.0/17	SK Broadband Co Ltd	32,768
114.108.0.0/17	SK Broadband Co Ltd	32,768
222.251.128.0/17	SK Broadband Co Ltd	32,768
119.17.64.0/18	SK Broadband Co Ltd	16,384
121.254.0.0/18	SK Broadband Co Ltd	16,384
114.29.128.0/19	SK Broadband Co Ltd	8,192
27.119.104.0/21	SK Broadband Co Ltd	2,048
218.209.40.0/21	SK Broadband Co Ltd	2,048
218.209.64.0/21	SK Broadband Co Ltd	2,048
218.209.104.0/21	SK Broadband Co Ltd	2,048
222.251.200.0/21	SK Broadband Co Ltd	2,048
27.119.36.0/22	SK Broadband Co Ltd	1,024
27.119.96.0/22	SK Broadband Co Ltd	1,024
27.119.112.0/22	SK Broadband Co Ltd	1,024
114.29.136.0/22	SK Broadband Co Ltd	1,024
114.108.20.0/22	SK Broadband Co Ltd	1,024
114.108.56.0/22	SK Broadband Co Ltd	1,024
114.108.80.0/22	SK Broadband Co Ltd	1,024
114.108.96.0/22	SK Broadband Co Ltd	1,024
114.108.112.0/22	SK Broadband Co Ltd	1,024
119.17.116.0/22	SK Broadband Co Ltd	1,024
218.209.20.0/22	SK Broadband Co Ltd	1,024
218.209.32.0/22	SK Broadband Co Ltd	1,024
218.209.48.0/22	SK Broadband Co Ltd	1,024
218.209.72.0/22	SK Broadband Co Ltd	1,024
218.209.124.0/22	SK Broadband Co Ltd	1,024
218.209.152.0/22	SK Broadband Co Ltd	1,024
218.209.184.0/22	SK Broadband Co Ltd	1,024
218.209.252.0/22	SK Broadband Co Ltd	1,024
27.119.0.0/23	SK Broadband Co Ltd	512
27.119.14.0/23	SK Broadband Co Ltd	512
27.119.46.0/23	SK Broadband Co Ltd	512
27.119.48.0/23	SK Broadband Co Ltd	512
27.119.54.0/23	SK Broadband Co Ltd	512
27.119.64.0/23	SK Broadband Co Ltd	512
27.119.82.0/23	SK Broadband Co Ltd	512
27.119.84.0/23	SK Broadband Co Ltd	512
27.119.102.0/23	SK Broadband Co Ltd	512
27.119.116.0/23	SK Broadband Co Ltd	512
27.119.122.0/23	SK Broadband Co Ltd	512
27.119.126.0/23	SK Broadband Co Ltd	512
114.29.134.0/23	SK Broadband Co Ltd	512
114.108.16.0/23	SK Broadband Co Ltd	512
114.108.38.0/23	SK Broadband Co Ltd	512
114.108.40.0/23	SK Broadband Co Ltd	512
114.108.46.0/23	SK Broadband Co Ltd	512
114.108.48.0/23	SK Broadband Co Ltd	512
114.108.60.0/23	SK Broadband Co Ltd	512
114.108.68.0/23	SK Broadband Co Ltd	512
114.108.70.0/23	SK Broadband Co Ltd	512
114.108.76.0/23	SK Broadband Co Ltd	512
114.108.94.0/23	SK Broadband Co Ltd	512
114.108.100.0/23	SK Broadband Co Ltd	512
114.108.104.0/23	SK Broadband Co Ltd	512
119.17.72.0/23	SK Broadband Co Ltd	512
119.17.120.0/23	SK Broadband Co Ltd	512
121.254.18.0/23	SK Broadband Co Ltd	512
121.254.54.0/23	SK Broadband Co Ltd	512
121.254.56.0/23	SK Broadband Co Ltd	512
218.209.18.0/23	SK Broadband Co Ltd	512
218.209.24.0/23	SK Broadband Co Ltd	512
218.209.52.0/23	SK Broadband Co Ltd	512
218.209.84.0/23	SK Broadband Co Ltd	512
218.209.92.0/23	SK Broadband Co Ltd	512
218.209.102.0/23	SK Broadband Co Ltd	512
218.209.112.0/23	SK Broadband Co Ltd	512
218.209.118.0/23	SK Broadband Co Ltd	512
218.209.144.0/23	SK Broadband Co Ltd	512
218.209.150.0/23	SK Broadband Co Ltd	512
218.209.162.0/23	SK Broadband Co Ltd	512
218.209.182.0/23	SK Broadband Co Ltd	512
218.209.226.0/23	SK Broadband Co Ltd	512
218.209.228.0/23	SK Broadband Co Ltd	512
218.209.234.0/23	SK Broadband Co Ltd	512
218.209.246.0/23	SK Broadband Co Ltd	512
222.251.138.0/23	SK Broadband Co Ltd	512
222.251.152.0/23	SK Broadband Co Ltd	512
222.251.178.0/23	SK Broadband Co Ltd	512
222.251.184.0/23	SK Broadband Co Ltd	512
222.251.188.0/23	SK Broadband Co Ltd	512
222.251.214.0/23	SK Broadband Co Ltd	512
222.251.230.0/23	SK Broadband Co Ltd	512
27.119.3.0/24	SK Broadband Co Ltd	256
27.119.11.0/24	SK Broadband Co Ltd	256
27.119.12.0/24	SK Broadband Co Ltd	256
27.119.16.0/24	SK Broadband Co Ltd	256
27.119.18.0/24	SK Broadband Co Ltd	256
27.119.23.0/24	SK Broadband Co Ltd	256
27.119.25.0/24	SK Broadband Co Ltd	256
27.119.26.0/24	SK Broadband Co Ltd	256
27.119.35.0/24	SK Broadband Co Ltd	256
27.119.51.0/24	SK Broadband Co Ltd	256
27.119.52.0/24	SK Broadband Co Ltd	256
27.119.56.0/24	SK Broadband Co Ltd	256
27.119.58.0/24	SK Broadband Co Ltd	256
27.119.61.0/24	SK Broadband Co Ltd	256
27.119.62.0/24	SK Broadband Co Ltd	256
27.119.70.0/24	SK Broadband Co Ltd	256
27.119.75.0/24	SK Broadband Co Ltd	256
27.119.86.0/24	SK Broadband Co Ltd	256
27.119.90.0/24	SK Broadband Co Ltd	256
27.119.92.0/24	SK Broadband Co Ltd	256
27.119.101.0/24	SK Broadband Co Ltd	256
27.119.118.0/24	SK Broadband Co Ltd	256
27.119.120.0/24	SK Broadband Co Ltd	256
27.119.124.0/24	SK Broadband Co Ltd	256
114.29.140.0/24	SK Broadband Co Ltd	256
114.108.1.0/24	SK Broadband Co Ltd	256
114.108.6.0/24	SK Broadband Co Ltd	256
114.108.11.0/24	SK Broadband Co Ltd	256
114.108.15.0/24	SK Broadband Co Ltd	256
114.108.18.0/24	SK Broadband Co Ltd	256
114.108.25.0/24	SK Broadband Co Ltd	256
114.108.34.0/24	SK Broadband Co Ltd	256
114.108.36.0/24	SK Broadband Co Ltd	256
114.108.45.0/24	SK Broadband Co Ltd	256
114.108.50.0/24	SK Broadband Co Ltd	256
114.108.63.0/24	SK Broadband Co Ltd	256
114.108.73.0/24	SK Broadband Co Ltd	256
114.108.74.0/24	SK Broadband Co Ltd	256
114.108.91.0/24	SK Broadband Co Ltd	256
114.108.102.0/24	SK Broadband Co Ltd	256
114.108.106.0/24	SK Broadband Co Ltd	256
114.108.109.0/24	SK Broadband Co Ltd	256
114.108.111.0/24	SK Broadband Co Ltd	256
114.108.120.0/24	SK Broadband Co Ltd	256
114.108.122.0/24	SK Broadband Co Ltd	256
119.17.64.0/24	SK Broadband Co Ltd	256
119.17.66.0/24	SK Broadband Co Ltd	256
119.17.68.0/24	SK Broadband Co Ltd	256
119.17.71.0/24	SK Broadband Co Ltd	256
119.17.76.0/24	SK Broadband Co Ltd	256
119.17.79.0/24	SK Broadband Co Ltd	256
119.17.87.0/24	SK Broadband Co Ltd	256
119.17.88.0/24	SK Broadband Co Ltd	256
119.17.90.0/24	SK Broadband Co Ltd	256
119.17.98.0/24	SK Broadband Co Ltd	256
119.17.122.0/24	SK Broadband Co Ltd	256
121.254.2.0/24	SK Broadband Co Ltd	256
121.254.3.0/24	SK Broadband Co Ltd	256
121.254.7.0/24	SK Broadband Co Ltd	256
121.254.8.0/24	SK Broadband Co Ltd	256
121.254.20.0/24	SK Broadband Co Ltd	256
121.254.28.0/24	SK Broadband Co Ltd	256
121.254.50.0/24	SK Broadband Co Ltd	256
121.254.58.0/24	SK Broadband Co Ltd	256
218.209.26.0/24	SK Broadband Co Ltd	256
218.209.31.0/24	SK Broadband Co Ltd	256
218.209.39.0/24	SK Broadband Co Ltd	256
218.209.54.0/24	SK Broadband Co Ltd	256
218.209.63.0/24	SK Broadband Co Ltd	256
218.209.76.0/24	SK Broadband Co Ltd	256
218.209.79.0/24	SK Broadband Co Ltd	256
218.209.80.0/24	SK Broadband Co Ltd	256
218.209.86.0/24	SK Broadband Co Ltd	256
218.209.88.0/24	SK Broadband Co Ltd	256
218.209.91.0/24	SK Broadband Co Ltd	256
218.209.98.0/24	SK Broadband Co Ltd	256
218.209.101.0/24	SK Broadband Co Ltd	256
218.209.117.0/24	SK Broadband Co Ltd	256
218.209.123.0/24	SK Broadband Co Ltd	256
218.209.146.0/24	SK Broadband Co Ltd	256
218.209.156.0/24	SK Broadband Co Ltd	256
218.209.164.0/24	SK Broadband Co Ltd	256
218.209.168.0/24	SK Broadband Co Ltd	256
218.209.191.0/24	SK Broadband Co Ltd	256
218.209.193.0/24	SK Broadband Co Ltd	256
218.209.196.0/24	SK Broadband Co Ltd	256
218.209.202.0/24	SK Broadband Co Ltd	256
218.209.223.0/24	SK Broadband Co Ltd	256
218.209.236.0/24	SK Broadband Co Ltd	256
218.209.239.0/24	SK Broadband Co Ltd	256
218.209.245.0/24	SK Broadband Co Ltd	256
222.251.130.0/24	SK Broadband Co Ltd	256
222.251.137.0/24	SK Broadband Co Ltd	256
222.251.140.0/24	SK Broadband Co Ltd	256
222.251.151.0/24	SK Broadband Co Ltd	256
222.251.155.0/24	SK Broadband Co Ltd	256
222.251.160.0/24	SK Broadband Co Ltd	256
222.251.177.0/24	SK Broadband Co Ltd	256
222.251.181.0/24	SK Broadband Co Ltd	256
222.251.183.0/24	SK Broadband Co Ltd	256
222.251.192.0/24	SK Broadband Co Ltd	256
222.251.195.0/24	SK Broadband Co Ltd	256
222.251.199.0/24	SK Broadband Co Ltd	256
222.251.209.0/24	SK Broadband Co Ltd	256
222.251.210.0/24	SK Broadband Co Ltd	256
222.251.213.0/24	SK Broadband Co Ltd	256
222.251.224.0/24	SK Broadband Co Ltd	256
222.251.229.0/24	SK Broadband Co Ltd	256
222.251.245.0/24	SK Broadband Co Ltd	256
222.251.247.0/24	SK Broadband Co Ltd	256
222.251.251.0/24	SK Broadband Co Ltd	256

There are no known IPv6 addresses belonging to this network

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WHOIS Details

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                                                ASHandle:       AS23563
                                                OrgID:          AS23563
                                                ASName:         AS23563
                                                ASNumber:       AS23563
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

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Hosted Domains

There are 56 domain names hosted across 30 IP addresses on this ASN.

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IP Address	Domain	Domains on this IP
119.17.69.147	██████████	8
114.108.127.133	██████████	5
27.119.7.173	██████████	3
114.108.112.207	██████████	3
218.209.161.48	██████████	3
218.209.139.94	█████████	2
114.108.49.125	██████████	2
114.108.0.125	██████████	2
27.119.7.116	██████████	2
218.209.234.160	█████████	1

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Peers

There is 1 peer for this ASN.

Peers	Name
AS9318	SK Broadband Co Ltd

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ASN API & Database

Upstreams

There is 1 peer for this ASN.

upstreams	Name
AS9318	SK Broadband Co Ltd

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ASN API & Database

Downstreams

There are no downstreams for this ASN.

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ASN API & Database

Pingable IPs

776 IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
218.209.141.255	AS23563 SK Broadband Co Ltd	`2.14ms` from Incheon, KR
222.251.172.214	AS23563 SK Broadband Co Ltd	`1.94ms` from Incheon, KR
222.251.146.43	AS23563 SK Broadband Co Ltd	`1.94ms` from Incheon, KR
218.209.111.0	AS23563 SK Broadband Co Ltd	`1.63ms` from Incheon, KR
27.119.105.255	AS23563 SK Broadband Co Ltd	`1.60ms` from Incheon, KR
222.251.171.176	AS23563 SK Broadband Co Ltd	`2.69ms` from Incheon, KR
218.209.227.1	AS23563 SK Broadband Co Ltd	`1.93ms` from Incheon, KR
218.209.121.1	AS23563 SK Broadband Co Ltd	`2.74ms` from Seoul, KR
222.251.140.1	AS23563 SK Broadband Co Ltd	`2.41ms` from Seoul, KR
218.209.181.1	AS23563 SK Broadband Co Ltd	`2.53ms` from Seoul, KR
119.17.69.56	AS23563 SK Broadband Co Ltd	`2.57ms` from Seoul, KR
218.209.67.1	AS23563 SK Broadband Co Ltd	`1.80ms` from Seoul, KR
27.119.19.1	AS23563 SK Broadband Co Ltd	`2.67ms` from Seoul, KR
121.254.39.136	AS23563 SK Broadband Co Ltd	`2.00ms` from Seoul, KR
27.119.89.1	AS23563 SK Broadband Co Ltd	`1.81ms` from Seoul, KR
218.209.83.1	AS23563 SK Broadband Co Ltd	`2.61ms` from Seoul, KR
222.251.163.124	AS23563 SK Broadband Co Ltd	`2.46ms` from Seoul, KR
218.209.165.1	AS23563 SK Broadband Co Ltd	`2.60ms` from Seoul, KR
27.119.78.253	AS23563 SK Broadband Co Ltd	`10.96ms` from Seoul, KR
222.251.196.117	AS23563 SK Broadband Co Ltd	`1.91ms` from Seoul, KR
218.209.251.1	AS23563 SK Broadband Co Ltd	`2.48ms` from Seoul, KR
119.17.89.1	AS23563 SK Broadband Co Ltd	`2.54ms` from Seoul, KR
218.209.221.210	AS23563 SK Broadband Co Ltd	`1.89ms` from Seoul, KR
222.251.161.74	AS23563 SK Broadband Co Ltd	`2.07ms` from Seoul, KR
218.209.200.5	AS23563 SK Broadband Co Ltd	`2.34ms` from Seoul, KR

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address	ASN	Details
4.210.203.171	AS8075 Microsoft Corporation	`0.28ms` from Amsterdam, NL
69.248.127.219	AS7922 Comcast Cable Communications, LLC	`7.78ms` from Ashburn, US
44.230.206.43	AS16509 Amazon.com, Inc.	`0.19ms` from Boardman, US
41.234.8.235	AS8452 TE-AS	`3.34ms` from Cairo, EG
69.61.226.107	AS6181 Cincinnati Bell Telephone Company LLC	`0.59ms` from Cincinnati, US
38.178.210.187	AS35986 Vyve Broadband	`9.91ms` from Dallas, US
14.18.206.155	AS4134 CHINANET-BACKBONE	`2.17ms` from Guangzhou, CN
62.78.173.75	AS16086 DNA Oyj	`5.36ms` from Helsinki, FI
94.244.17.123	AS48278 UKRDATAKOM LTD	`0.45ms` from Kyiv, UA
82.4.233.59	AS5089 Virgin Media Limited	`8.91ms` from London, GB
220.82.203.123	AS4766 Korea Telecom	`4.72ms` from Seoul, KR
18.139.250.171	AS16509 Amazon.com, Inc.	`0.12ms` from Singapore, SG
78.130.160.75	AS9070 Cooolbox AD	`0.52ms` from Sofia, BG
222.140.181.235	AS4837 CHINA UNICOM China169 Backbone	`6.21ms` from Zhengzhou, CN
67.21.54.11	AS35873 Move Networks, inc.	`0.21ms` from Ashburn, US
95.33.216.59	AS9145 EWE TEL GmbH	`14.02ms` from Frankfurt am Main, DE
119.28.77.139	AS132203 Tencent Building, Kejizhongyi Avenue	`0.31ms` from Hong Kong, HK
207.46.137.123	AS8075 Microsoft Corporation	`0.35ms` from Hong Kong, HK
49.251.1.187	AS9617 JCOM Co., Ltd.	`9.92ms` from Osaka, JP
107.20.237.59	AS14618 Amazon.com, Inc.	`0.24ms` from Reston, US
89.193.206.155	AS8011 MongoDB, Inc.	`0.15ms` from Reston, US
59.182.40.27	AS9829 National Internet Backbone	`6.54ms` from Saint Thomas Mount, IN
179.87.157.75	AS26599 TELEFÔNICA BRASIL S.A	`2.13ms` from São Paulo, BR
134.150.63.91	AS16509 Amazon.com, Inc.	`0.03ms` from Bangkok, TH
139.214.218.27	AS4837 CHINA UNICOM China169 Backbone	`3.22ms` from Changchun, CN

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this ASN. Learn more.

traceroute -a -n -q1 -f5 218.209.120.154

traceroute to 218.209.120.154 (218.209.120.154): 64 hops max, 52 byte packets

5 [AS4637] 202.84.149.102 1.206 ms

6 *

7 *

8 *

9 *

10 *

11 *

12 [AS23563] 218.209.120.154 8.187 ms

Measurement taken from

IPinfo ProbeNet in Seoul, KR

On January 19th 2026

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What is an ASN?

Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.

The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS23563 at robtex.

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