124.138.250.0/23

AS38398 · Gyeonggi Uijeongbu office of Education

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Summary

Country	South Korea
Domain	skbroadband.com
ASN	AS38398
Registry	APNIC
ID	SK-TELECOM-NET

WHOIS Details

inetnum:        124.136.0.0 - 124.139.255.255
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:  2020-11-02T07:36:02Z
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:        124.136.0.0 - 124.139.255.255
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

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

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Pingable IPs

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

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
2.87.182.119	AS6799 Ote SA (Hellenic Telecommunications Organisation)	`2.02ms` from Athens, GR
101.126.142.71	AS137718 Beijing Volcano Engine Technology Co., Ltd.	`5.36ms` from Beijing, CN
190.60.115.135	AS18747 IFX Corporation	`0.98ms` from Bogota, CO
73.14.33.55	AS7922 Comcast Cable Communications, LLC	`6.01ms` from Denver, US
47.76.245.167	AS45102 Alibaba (US) Technology Co., Ltd.	`0.69ms` from Hong Kong, HK
8.211.222.119	AS45102 Alibaba (US) Technology Co., Ltd.	`1.07ms` from London, GB
31.111.17.231	AS6871 Plusnet	`5.33ms` from London, GB
207.236.244.103	AS36522 BELL MOBILITY INC.	`0.66ms` from Montreal, CA
97.133.220.215	AS6167 Verizon Business	`11.26ms` from New York City, US
153.190.183.39	AS4713 NTT Communications Corporation	`13.03ms` from Osaka, JP
67.180.89.39	AS7922 Comcast Cable Communications, LLC	`6.00ms` from San Jose, US
125.191.247.167	AS17858 LG POWERCOMM	`3.58ms` from Seoul, KR
124.63.231.87	AS17858 LG POWERCOMM	`1.44ms` from Seoul, KR
115.14.216.135	AS4766 Korea Telecom	`5.43ms` from Seoul, KR
13.215.112.55	AS16509 Amazon.com, Inc.	`0.14ms` from Singapore, SG
111.108.210.151	AS2516 KDDI CORPORATION	`2.46ms` from Tokyo, JP
40.76.13.71	AS8075 Microsoft Corporation	`0.46ms` from Ashburn, US
181.3.0.71	AS7303 Telecom Argentina S.A.	`11.55ms` from Buenos Aires, AR
74.113.168.215	AS17306 JAB Wireless, INC.	`3.21ms` from Dallas, US
37.209.34.55	AS3209 Vodafone GmbH	`8.82ms` from Frankfurt am Main, DE
20.198.87.55	AS8075 Microsoft Corporation	`0.15ms` from Lohogaon, IN
74.225.90.151	AS8075 Microsoft Corporation	`13.04ms` from Mumbai, IN
114.152.112.7	AS4713 NTT Communications Corporation	`5.24ms` from Osaka, JP
134.119.183.199	AS29066 velia.net Internetdienste GmbH	`0.11ms` from Strasbourg, FR
71.203.143.23	AS7922 Comcast Cable Communications, LLC	`10.65ms` from Tampa, US

Traceroute

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

traceroute -a -n -q1 -f2 -m6 124.138.251.79

traceroute to 124.138.251.79 (124.138.251.79): 6 hops max, 52 byte packets

2 [AS57304] 139.45.234.234 6.835 ms

3 [AS9002] 87.245.233.166 16.689 ms

4 *

5 *

6 *

Measurement taken from

IPinfo ProbeNet in Saint Petersburg, RU

On August 28th 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.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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