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	57
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 57 domain names hosted across 31 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
114.108.112.207	█████████	3
27.119.7.173	██████████	3
218.209.161.48	██████████	3
114.108.49.125	██████████	2
218.209.139.94	█████████	2
114.108.0.125	██████████	2
27.119.7.116	██████████	2
222.251.162.83	██████████	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
121.254.21.129	AS23563 SK Broadband Co Ltd	`2.77ms` from Seoul, KR
218.209.184.255	AS23563 SK Broadband Co Ltd	`1.80ms` from Seoul, KR
121.254.19.1	AS23563 SK Broadband Co Ltd	`2.60ms` from Seoul, KR
27.119.43.1	AS23563 SK Broadband Co Ltd	`2.68ms` from Seoul, KR
27.119.68.1	AS23563 SK Broadband Co Ltd	`3.12ms` from Seoul, KR
218.209.206.174	AS23563 SK Broadband Co Ltd	`2.61ms` from Seoul, KR
114.108.98.1	AS23563 SK Broadband Co Ltd	`2.54ms` from Seoul, KR
218.209.231.243	AS23563 SK Broadband Co Ltd	`2.15ms` from Seoul, KR
222.251.154.245	AS23563 SK Broadband Co Ltd	`2.76ms` from Seoul, KR
222.251.220.237	AS23563 SK Broadband Co Ltd	`2.13ms` from Seoul, KR
222.251.175.0	AS23563 SK Broadband Co Ltd	`2.83ms` from Seoul, KR
218.209.196.107	AS23563 SK Broadband Co Ltd	`2.23ms` from Seoul, KR
222.251.196.39	AS23563 SK Broadband Co Ltd	`2.09ms` from Seoul, KR
114.108.81.1	AS23563 SK Broadband Co Ltd	`1.77ms` from Seoul, KR
27.119.81.173	AS23563 SK Broadband Co Ltd	`10.25ms` from Seoul, KR
121.254.40.132	AS23563 SK Broadband Co Ltd	`2.33ms` from Seoul, KR
114.108.46.1	AS23563 SK Broadband Co Ltd	`2.62ms` from Seoul, KR
27.119.78.164	AS23563 SK Broadband Co Ltd	`10.79ms` from Seoul, KR
218.209.213.237	AS23563 SK Broadband Co Ltd	`2.13ms` from Seoul, KR
222.251.176.1	AS23563 SK Broadband Co Ltd	`3.15ms` from Seoul, KR
121.254.60.16	AS23563 SK Broadband Co Ltd	`2.03ms` from Seoul, KR
27.119.120.40	AS23563 SK Broadband Co Ltd	`1.99ms` from Seoul, KR
222.251.169.178	AS23563 SK Broadband Co Ltd	`2.30ms` from Seoul, KR
119.17.90.191	AS23563 SK Broadband Co Ltd	`1.72ms` from Seoul, KR
27.119.76.0	AS23563 SK Broadband Co Ltd	`2.46ms` 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
158.69.83.203	AS16276 OVH SAS	`0.17ms` from Beauharnois, CA
79.254.67.203	AS3320 Deutsche Telekom AG	`4.67ms` from Berlin, DE
206.75.7.75	AS852 TELUS Communications Inc.	`0.78ms` from Calgary, CA
74.139.0.75	AS10796 Charter Communications Inc	`3.05ms` from Columbus, US
82.4.194.43	AS5089 Virgin Media Limited	`4.29ms` from London, GB
174.115.161.123	AS812 Rogers Communications Canada Inc.	`6.82ms` from Montreal, CA
196.216.91.155	AS30844 Liquid Telecommunications Ltd	`0.87ms` from Nairobi, KE
92.100.62.219	AS12389 PJSC Rostelecom	`10.34ms` from Saint Petersburg, RU
219.142.66.251	AS4847 China Networks Inter-Exchange	`2.78ms` from Beijing, CN
87.93.198.235	AS16086 DNA Oyj	`13.37ms` from Helsinki, FI
84.23.195.171	AS15457 NOS Madeira Comunicacoes, S.A.	`19.59ms` from Lisbon, PT
79.148.16.75	AS3352 TELEFONICA DE ESPANA S.A.U.	`1.32ms` from Madrid, ES
16.52.39.251	AS16509 Amazon.com, Inc.	`0.81ms` from Montreal, CA
58.217.170.203	AS4134 CHINANET-BACKBONE	`3.88ms` from Nanjing, CN
92.139.196.11	AS3215 Orange S.A.	`9.37ms` from Paris, FR
34.192.176.251	AS14618 Amazon.com, Inc.	`0.21ms` from Reston, US
149.97.161.171	AS15830 Equinix (EMEA) Acquisition Enterprises B.V.	`0.29ms` from San Jose, US
183.212.75.203	AS56046 China Mobile communications corporation	`2.95ms` from Suzhou, CN
175.182.207.219	AS4780 Digital United Inc.	`6.55ms` from Taipei, TW
24.254.211.219	AS22773 Cox Communications Inc.	`8.80ms` from Ashburn, US
60.0.2.91	AS4837 CHINA UNICOM China169 Backbone	`8.06ms` from Beijing, CN
190.60.196.187	AS18747 IFX Corporation	`0.43ms` from Bogotá, CO
82.16.51.219	AS5089 Virgin Media Limited	`6.40ms` from Erith, GB
116.107.250.155	AS7552 Viettel Group	`3.47ms` from Hanoi, VN
81.103.34.155	AS5089 Virgin Media Limited	`13.86ms` from London, GB

Traceroute

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

traceroute -a -n -q1 -f2 121.254.4.169

traceroute to 121.254.4.169 (121.254.4.169): 64 hops max, 52 byte packets

2 [AS4837] 139.214.220.254 5.121 ms

3 *

4 [AS4837] 122.141.227.33 1.535 ms

5 *

6 [AS4837] 139.215.222.121 0.991 ms

7 [AS4837] 221.8.54.37 2.431 ms

8 *

9 *

10 *

11 [AS4837] 219.158.43.18 45.563 ms

12 *

13 *

14 *

15 *

16 *

17 *

18 *

19 [AS23563] 121.254.4.169 49.473 ms

Measurement taken from

IPinfo ProbeNet in Changchun, CN

On December 20th 2025

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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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