122.254.206.0/23

AS17857 · SK Broadband Co Ltd

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Summary

Country	South Korea
Domain	skbroadband.com
ASN	AS17857
Parent Range	122.254.128.0/17
Registry	APNIC
ID	TBROAD

WHOIS Details

inetnum:        122.254.128.0 - 122.254.255.255
netname:        broadNnet
descr:          SK Broadband Co Ltd
country:        KR
admin-c:        IM670-AP
tech-c:         IM670-AP
status:         ALLOCATED PORTABLE
mnt-by:         MNT-KRNIC-AP
mnt-irt:        IRT-KRNIC-KR
last-modified:  2020-12-29T05:46:12Z
source:         APNIC

irt:            IRT-KRNIC-KR
address:        Jeollanam-do Naju-si Jinheung-gil
e-mail:         irt@nic.or.kr
abuse-mailbox:  irt@nic.or.kr
admin-c:        IM574-AP
tech-c:         IM574-AP
auth:           # Filtered
remarks:        irt@nic.or.kr was validated on 2020-04-09
mnt-by:         MNT-KRNIC-AP
last-modified:  2021-06-15T06:21:49Z
source:         APNIC

person:         IP Manager
address:        Seoul Jung-gu Toegye-ro 24
country:        KR
phone:          +82-80-828-2106
e-mail:         ip-adm@skbroadband.com
nic-hdl:        IM670-AP
mnt-by:         MNT-KRNIC-AP
last-modified:  2021-10-05T05:20:03Z
source:         APNIC

inetnum:        122.254.128.0 - 122.254.255.255
netname:        broadNnet-KR
descr:          SK Broadband Co Ltd
country:        KR
admin-c:        IM12-KR
tech-c:         IM12-KR
status:         ALLOCATED PORTABLE
mnt-by:         MNT-KRNIC-AP
mnt-irt:        IRT-KRNIC-KR
remarks:        This information has been partially mirrored by APNIC from
remarks:        KRNIC. To obtain more specific information, please use the
remarks:        KRNIC whois server at whois.kisa.or.kr.
changed:        hostmaster@nic.or.kr
source:         KRNIC

person:         IP Manager
address:        Seoul Jung-gu Toegye-ro 24
address:        SK Namsan Green Bldg.
country:        KR
phone:          +82-80-828-2106
e-mail:         ip-adm@skbroadband.com
nic-hdl:        IM12-KR
mnt-by:         MNT-KRNIC-AP
changed:        hostmaster@nic.or.kr
source:         KRNIC

Overlapping Ranges

BGP prefixes that contain 122.254.206.0/23

Range	ASN	Company	Num of IPs
122.254.128.0/17	AS17857	SK Broadband Co Ltd	32,768

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.

Useful for Cybersecurity

Read more

Pingable IPs

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

IP Address	ASN	Details
122.254.206.1	AS17857 SK Broadband Co Ltd	`8.22ms` from Seoul, KR
122.254.207.1	AS17857 SK Broadband Co Ltd	`7.48ms` 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
185.235.130.55	AS204601 Zomro B.V.	`0.67ms` from Amsterdam, NL
52.19.112.167	AS16509 Amazon.com, Inc.	`0.10ms` from Dublin, IE
222.159.27.167	AS7679 QTnet,Inc.	`12.09ms` from Osaka, JP
164.177.179.135	AS15774 Limited Liability Company "TTK-Svyaz"	`5.46ms` from Samara, RU
70.252.191.167	AS7018 AT&T Enterprises, LLC	`5.76ms` from San Antonio, US
73.220.135.7	AS7922 Comcast Cable Communications, LLC	`6.66ms` from San Jose, US
138.91.76.215	AS8075 Microsoft Corporation	`0.56ms` from San Jose, US
23.234.108.215	AS11878 tzulo, inc.	`0.21ms` from Atlanta, US
71.228.96.135	AS7922 Comcast Cable Communications, LLC	`14.32ms` from Denver, US
51.104.216.199	AS8075 Microsoft Corporation	`0.19ms` from London, GB
99.42.165.119	AS7018 AT&T Enterprises, LLC	`3.11ms` from Miami, US
13.232.82.103	AS16509 Amazon.com, Inc.	`0.11ms` from Mumbai, IN
88.177.212.103	AS12322 Free SAS	`11.61ms` from Paris, FR
121.181.94.39	AS4766 Korea Telecom	`5.00ms` from Seoul, KR
222.148.70.55	AS4713 NTT Communications Corporation	`17.58ms` from Tokyo, JP
177.235.43.55	AS28573 Claro NXT Telecomunicacoes Ltda	`4.95ms` from Brasilia, BR
119.7.7.7	AS4837 CHINA UNICOM China169 Backbone	`3.98ms` from Chengdu, CN
23.220.216.71	AS16625 Akamai Technologies, Inc.	`0.92ms` from Chicago, US
41.136.41.7	AS23889 Mauritius Telecom Ltd	`2.03ms` from Ebene, MU
109.229.136.151	AS29124 Iskratelecom JSC	`0.83ms` from Moscow, RU
37.195.10.183	AS31200 Novotelecom Ltd	`1.66ms` from Novosibirsk, RU
174.26.77.23	AS209 CenturyLink Communications, LLC	`2.51ms` from Phoenix, US
18.237.184.231	AS16509 Amazon.com, Inc.	`4.56ms` from Portland, US
119.167.140.199	AS4837 CHINA UNICOM China169 Backbone	`0.37ms` from Qingdao, CN
50.87.65.183	AS46606 Unified Layer	`1.97ms` from Salt Lake City, US

Traceroute

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

traceroute -a -n -q1 -f5 122.254.207.66

traceroute to 122.254.207.66 (122.254.207.66): 64 hops max, 52 byte packets

5 [AS9318] 39.124.192.137 1.559 ms

6 *

7 *

8 *

9 *

10 *

11 [AS17857] 122.254.207.66 17.512 ms

Measurement taken from

IPinfo ProbeNet in Seoul, KR

On September 11th 2025

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

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