1. All IP Ranges
  2. 42.0.0.0/8
  3. AS9644  | 42.16.0.0/12

42.16.0.0/12

AS9644  ·  SK Telecom

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Summary

Country South Korea
Domain sktelecom.com
ASN AS9644
Registry APNIC
ID SK-TELECOM-NET

WHOIS Details

inetnum:        42.16.0.0 - 42.31.255.255
netname:        SK-TELECOM-NET
descr:          SK Telecom
country:        KR
admin-c:        IM687-AP
tech-c:         IM687-AP
status:         ALLOCATED PORTABLE
mnt-by:         MNT-KRNIC-AP
mnt-irt:        IRT-KRNIC-KR
last-modified:  2025-11-03T07:04:05Z
source:         APNIC

irt:            IRT-KRNIC-KR
address:        9, Jinheung-gil, Naju-si, Jeollanam-do
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:  2025-09-04T01:00:01Z
source:         APNIC

person:         IP Manager
address:        Seoul Jung-gu Eulji-ro 65
country:        KR
phone:          +82-2-1599-0011
e-mail:         sktsec@sk.com
nic-hdl:        IM687-AP
mnt-by:         MNT-KRNIC-AP
last-modified:  2017-10-10T00:50:38Z
source:         APNIC

inetnum:        42.16.0.0 - 42.31.255.255
netname:        SK-TELECOM-NET-KR
descr:          SK Telecom
country:        KR
admin-c:        IA110-KR
tech-c:         IA110-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.
source:         KRNIC

person:         IP Manager
address:        Seoul Jung-gu Eulji-ro 65
address:        T tower
country:        KR
phone:          +82-2-1599-0011
e-mail:         sktsec@sk.com
nic-hdl:        IA110-KR
mnt-by:         MNT-KRNIC-AP
changed:        hostmaster@nic.or.kr 20240912
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.
source:         KRNIC

Nearby Ranges

BGP prefixes that overlap with 42.0.0.0/8

Range ASN Company Num of IPs
42.224.0.0/12 AS4837 China Unicom Henan province network 1,048,576
42.32.0.0/12 AS9644 SK Telecom 1,048,576
42.144.0.0/13 AS9824 JCOM Co., Ltd. 524,288
42.176.0.0/13 AS4837 UNICOM Liaoning Province Network 524,288
42.112.0.0/13 AS18403 FPT Telecom Company 524,288
42.56.0.0/14 AS4837 UNICOM Liaoning Province Network 262,144
42.52.0.0/14 AS4837 UNICOM Liaoning Province Network 262,144
42.84.0.0/14 AS4837 UNICOM Liaoning Province Network 262,144
42.4.0.0/14 AS4837 UNICOM Liaoning Province Network 262,144
42.84.0.0/14 AS9929 UNICOM Liaoning Province Network 262,144
42.188.0.0/14 AS4788 TM TECHNOLOGY SERVICES SDN. BHD. 262,144
42.202.0.0/15 AS4134 CHINANET Liaoning province network 131,072
42.202.0.0/15 AS137688 CHINANET Liaoning province network 131,072
42.80.0.0/15 AS58542 CHINANET TIANJIN PROVINCE NETWORK 131,072
42.242.0.0/15 AS4134 CHINANET YunNan PROVINCE NETWORK 131,072
42.80.0.0/15 AS17638 CHINANET TIANJIN PROVINCE NETWORK 131,072
42.2.0.0/15 AS4760 PCCW Limited 131,072
42.202.0.0/15 AS134762 CHINANET Liaoning province network 131,072
42.48.0.0/15 AS4837 China Unicom HuNan province network 131,072
42.242.0.0/15 AS134766 CHINANET YunNan PROVINCE NETWORK 131,072
42.192.0.0/15 AS45090 Tencent cloud computing (Beijing) Co., Ltd. 131,072
42.82.0.0/16 AS38669 LG HelloVision Corp. 65,536
42.2.0.0/16 AS4760 Hong Kong Telecommunications (HKT) Limited Mass Internet 65,536
42.122.0.0/16 AS17638 CHINANET TIANJIN PROVINCE NETWORK 65,536
42.63.0.0/16 AS4837 China Unicom Ningxia Province Network 65,536
42.82.0.0/16 AS9770 LG HelloVision Corp. 65,536
42.98.0.0/16 AS4760 PCCW Limited 65,536
42.3.0.0/16 AS4515 Hong Kong Telecommunications (HKT) Limited Mass Internet 65,536
42.82.0.0/16 AS9697 LG HelloVision Corp. 65,536
42.97.0.0/16 AS4134 CHINANET Jilin province network 65,536
42.200.0.0/16 AS4515 PCCW IMS Ltd (PCCW Business Internet Access) 65,536
42.82.0.0/16 AS38091 LG HelloVision Corp. 65,536
42.82.0.0/16 AS9845 LG HelloVision Corp. 65,536
42.82.0.0/16 AS9698 LG HelloVision Corp. 65,536
42.159.0.0/16 AS58593 Shanghai Blue Cloud Technology Co.,Ltd 65,536
42.158.0.0/16 AS23724 21ViaNet(China),Inc. 65,536
42.3.0.0/16 AS4760 Hong Kong Telecommunications (HKT) Limited Mass Internet 65,536
42.51.0.0/17 AS56005 Henan Telcom Union Technology Co., LTD 32,768
42.0.128.0/17 AS17789 LocalArea Communication of LangFang LTD. CO. 32,768
42.51.128.0/17 AS56005 Henan Telcom Union Technology Co., LTD 32,768
42.0.128.0/17 AS138449 LocalArea Communication of LangFang LTD. CO. 32,768
42.187.128.0/17 AS45090 Tencent cloud computing (Beijing) Co., Ltd. 32,768
42.194.128.0/17 AS45090 Tencent cloud computing (Beijing) Co., Ltd. 32,768
42.96.128.0/17 AS37963 Aliyun Computing Co., LTD 32,768
42.120.128.0/17 AS37963 Zhejiang Taobao Network Co.,Ltd 32,768
42.156.128.0/17 AS37963 Aliyun Computing Co., LTD 32,768
42.99.128.0/17 AS4637 Telstra Global Internet Services Network Blocks 32,768
42.188.0.0/18 AS4788 UNIFI-HOME-imse01.mc_rsh 16,384
42.189.192.0/18 AS4788 UNIFI-HOME-ibse01.sja 16,384

Hosted domains

There are 7 domain names hosted across 8 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
42.22.212.67 xn----8sbale7ai0a3b.xn--p1ai 1
42.29.225.42 fialanetlab.com 1
42.23.69.44 mdspalding.co.uk 1
42.22.196.194 comptagesma-paie.fr 1
42.21.60.50 kojinka-gifts.ru 1
42.29.225.43 fialanetlab.com 1
42.28.106.41 notarka-krizova.cz 1
42.18.170.186 atmos-digital.com 1

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

2,625 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
42.24.171.216 AS9644 SK Telecom 30.31ms from Seoul, KR
42.24.159.116 AS9644 SK Telecom 39.95ms from Seoul, KR
42.24.127.220 AS9644 SK Telecom 113.20ms from Seoul, KR
42.25.79.65 AS9644 SK Telecom 33.74ms from Seoul, KR
42.25.220.19 AS9644 SK Telecom 78.68ms from Seoul, KR
42.24.96.103 AS9644 SK Telecom 27.11ms from Seoul, KR
42.26.10.248 AS9644 SK Telecom 209.27ms from Seoul, KR
42.25.185.125 AS9644 SK Telecom 24.44ms from Seoul, KR
42.24.133.242 AS9644 SK Telecom 180.70ms from Seoul, KR
42.25.218.147 AS9644 SK Telecom 33.80ms from Seoul, KR
42.25.163.216 AS9644 SK Telecom 27.95ms from Seoul, KR
42.24.207.187 AS9644 SK Telecom 29.58ms from Seoul, KR
42.25.243.182 AS9644 SK Telecom 38.84ms from Seoul, KR
42.24.119.59 AS9644 SK Telecom 33.82ms from Seoul, KR
42.25.53.172 AS9644 SK Telecom 28.07ms from Seoul, KR
42.26.14.143 AS9644 SK Telecom 27.49ms from Seoul, KR
42.24.39.68 AS9644 SK Telecom 770.65ms from Seoul, KR
42.24.242.137 AS9644 SK Telecom 35.75ms from Seoul, KR
42.24.100.168 AS9644 SK Telecom 25.35ms from Seoul, KR
42.26.42.245 AS9644 SK Telecom 26.00ms from Seoul, KR
42.24.46.20 AS9644 SK Telecom 208.79ms from Seoul, KR
42.24.70.96 AS9644 SK Telecom 24.84ms from Seoul, KR
42.26.81.254 AS9644 SK Telecom 34.45ms from Seoul, KR
42.25.80.166 AS9644 SK Telecom 51.09ms from Seoul, KR
42.26.92.133 AS9644 SK Telecom 30.02ms 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
174.106.153.92 AS11426 Charter Communications Inc 17.26ms from Atlanta, US
5.13.209.108 AS8708 DIGI ROMANIA S.A. 5.34ms from Bucharest, RO
181.20.97.12 AS22927 Telefonica de Argentina 2.71ms from Buenos Aires, AR
74.129.209.28 AS10796 Charter Communications Inc 8.71ms from Columbus, US
175.140.93.12 AS4788 TM TECHNOLOGY SERVICES SDN. BHD. 5.42ms from Kuala Lumpur, MY
83.173.214.220 AS3303 Swisscom (Switzerland) Ltd 1.10ms from Lausanne, CH
68.21.135.156 AS7018 AT&T Enterprises, LLC 2.87ms from Los Angeles, US
54.146.14.156 AS14618 Amazon.com, Inc. 0.14ms from Reston, US
92.36.150.92 AS9146 BIHNET Autonomus System 2.55ms from Sarajevo, BA
1.99.63.252 AS4766 Korea Telecom 2.71ms from Seoul, KR
1.234.152.108 AS9318 SK Broadband Co Ltd 1.45ms from Seoul, KR
151.251.9.204 AS13124 A1 Bulgaria EAD 3.19ms from Sofia, BG
120.143.15.252 AS2514 NTT PC Communications, Inc. 1.42ms from Tokyo, JP
173.206.50.76 AS6407 Primus Telecommunications Canada Inc. 6.46ms from Toronto, CA
82.145.223.140 AS39832 Opera Norway AS 0.24ms from Amsterdam, NL
39.107.226.28 AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 1.89ms from Beijing, CN
120.12.153.140 AS4837 CHINA UNICOM China169 Backbone 7.20ms from Beijing, CN
34.55.163.108 AS396982 Google LLC 0.11ms from Council Bluffs, US
123.26.39.172 AS45899 VNPT Corp 8.25ms from Da Nang, VN
95.244.177.44 AS3269 Telecom Italia S.p.A. 4.70ms from Milan, IT
71.105.70.124 AS701 Verizon Business 2.68ms from New York City, US
67.159.226.108 AS17222 MUNDIVOX DO BRASIL LTDA 0.68ms from Osasco, BR
177.102.116.60 AS27699 TELEFÔNICA BRASIL S.A 14.47ms from Osasco, BR
109.222.219.60 AS3215 Orange S.A. 11.62ms from Paris, FR
44.216.188.252 AS14618 Amazon.com, Inc. 0.81ms from Reston, 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 42.22.222.183
traceroute to 42.22.222.183 (42.22.222.183): 6 hops max, 52 byte packets
2 [AS53340] 192.228.109.93 255.731 ms
4 *
5 *
6 *
Measurement taken from IPinfo ProbeNet in Las Vegas, US
On

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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