123.99.72.0/22

AS17857 · SK Broadband Co Ltd

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Summary

Country	South Korea
Domain	skbroadband.com
ASN	AS17857
Parent Range	123.99.64.0/18
Registry	APNIC
ID	TBROAD

WHOIS Details

inetnum:        123.99.64.0 - 123.99.127.255
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:        123.99.64.0 - 123.99.127.255
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 123.99.72.0/22

Range	ASN	Company	Num of IPs
123.99.64.0/18	AS17857	SK Broadband Co Ltd	16,384

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

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
83.43.144.246	AS3352 TELEFONICA DE ESPANA S.A.U.	`1.32ms` from Barcelona, ES
66.207.241.182	AS15153 StarVision, Inc.	`8.73ms` from Charlotte, US
68.41.181.86	AS7922 Comcast Cable Communications, LLC	`9.92ms` from Chicago, US
103.217.154.102	AS135259 SKYLINE INFONET PRIVATE LIMITED	`15.40ms` from Delhi, IN
162.230.163.86	AS7018 AT&T Enterprises, LLC	`2.82ms` from Houston, US
45.141.151.134	AS212219 HOSTING DUNYAM	`0.22ms` from Istanbul, TR
81.129.216.150	AS2856 British Telecommunications PLC	`1.98ms` from London, GB
67.172.111.6	AS7922 Comcast Cable Communications, LLC	`8.37ms` from Murfreesboro, US
75.232.150.134	AS6167 Verizon Business	`18.31ms` from New York City, US
179.190.41.86	AS52925 Ascenty Data Centers e Telecomunicações S/A	`0.29ms` from Sao Paulo, BR
3.1.183.54	AS16509 Amazon.com, Inc.	`0.14ms` from Singapore, SG
50.100.233.38	AS577 Bell Canada	`3.76ms` from Toronto, CA
31.207.212.166	AS8369 Intersvyaz-2 JSC	`4.55ms` from Yekaterinburg, RU
157.193.245.6	AS2611 BELNET	`2.74ms` from Brussels, BE
81.212.218.150	AS9121 Turk Telekomunikasyon Anonim Sirketi	`3.00ms` from Bursa, TR
68.179.9.150	AS20161 TeraGo Networks Inc.	`8.66ms` from Calgary, CA
72.29.249.246	AS6327 Shaw Communications Inc.	`1.24ms` from Calgary, CA
96.65.84.6	AS7922 Comcast Cable Communications, LLC	`4.31ms` from Chicago, US
71.79.251.150	AS10796 Charter Communications Inc	`8.21ms` from Columbus, US
52.116.221.102	AS36351 IBM Cloud	`0.87ms` from Dallas, US
73.130.107.246	AS7922 Comcast Cable Communications, LLC	`19.48ms` from Flint, US
78.85.197.246	AS12389 PJSC Rostelecom	`18.95ms` from Kazan, RU
80.87.20.54	AS21267 Wavenet Limited	`1.56ms` from London, GB
81.142.13.150	AS2856 British Telecommunications PLC	`6.03ms` from London, GB
217.199.25.150	AS20811 Retelit Digital Services S.p.A.	`5.12ms` from Milan, IT

Traceroute

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

traceroute -a -n -q1 -f3 -m14 123.99.75.211

traceroute to 123.99.75.211 (123.99.75.211): 14 hops max, 52 byte packets

3 [AS57619] 77.71.113.1 1.23 ms

4 [] 185.1.226.180 32.594 ms

5 [] 80.81.197.58 179.169 ms

6 *

7 *

8 *

9 *

10 *

11 [AS17857] 123.99.64.129 248.14 ms

12 *

13 *

14 *

Measurement taken from

IPinfo ProbeNet in Varna, BG

On September 11th 2025

What are IP address ranges?

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