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  2. 121.0.0.0/8
  3. AS4766  | 121.160.0.0/13

121.160.0.0/13

AS4766  ·  Korea Telecom

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Summary

Country South Korea
Domain kt.com
ASN AS4766
Parent Range 121.160.0.0/11
Registry APNIC
ID KORNET

WHOIS Details

inetnum:        121.160.0.0 - 121.191.255.255
netname:        KORNET
descr:          Korea Telecom
admin-c:        IM667-AP
tech-c:         IM667-AP
country:        KR
status:         ALLOCATED PORTABLE
mnt-by:         MNT-KRNIC-AP
mnt-irt:        IRT-KRNIC-KR
changed:        hostmaster@nic.or.kr 20170203
source:         APNIC

irt:            IRT-KRNIC-KR
address:        Seoul Songpa-gu Jungdae-ro 135
e-mail:         hostmaster@nic.or.kr
abuse-mailbox:  hostmaster@nic.or.kr
admin-c:        IM574-AP
tech-c:         IM574-AP
auth:           # Filtered
mnt-by:         MNT-KRNIC-AP
changed:        hostmaster@nic.or.kr 20150513
source:         APNIC

person:         IP Manager
address:        Gyeonggi-do Bundang-gu, Seongnam-si Buljeong-ro 90
country:        KR
phone:          +82-2-500-6630
e-mail:         kornet_ip@kt.com
nic-hdl:        IM667-AP
mnt-by:         MNT-KRNIC-AP
changed:        hostmaster@nic.or.kr 20170328
source:         APNIC

inetnum:        121.160.0.0 - 121.191.255.255
netname:        KORNET-KR
descr:          Korea Telecom
country:        KR
admin-c:        IA9-KR
tech-c:         IM9-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.krnic.net.
changed:        hostmaster@nic.or.kr
source:         KRNIC

person:         IP Manager
address:        Gyeonggi-do Bundang-gu, Seongnam-si Buljeong-ro 90
address:        
country:        KR
phone:          +82-2-500-6630
e-mail:         kornet_ip@kt.com
nic-hdl:        IA9-KR
mnt-by:         MNT-KRNIC-AP
changed:        hostmaster@nic.or.kr
source:         KRNIC

person:         IP Manager
address:        Gyeonggi-do Bundang-gu, Seongnam-si Buljeong-ro 90
address:        
country:        KR
phone:          +82-2-500-6630
e-mail:         kornet_ip@kt.com
nic-hdl:        IM9-KR
mnt-by:         MNT-KRNIC-AP
changed:        hostmaster@nic.or.kr
source:         KRNIC

Overlapping Ranges

BGP prefixes that contain 121.160.0.0/13

Range ASN Company Num of IPs
121.160.0.0/11 AS23582 Korea Telecom 2,097,152
121.160.0.0/11 AS38089 Korea Telecom 2,097,152
121.160.0.0/11 AS4766 Korea Telecom 2,097,152

BGP prefixes that are contained by 121.160.0.0/13

Range ASN Company Num of IPs
121.162.154.0/24 AS17859 Naiseupyeonggajeongbo jusikhoesa 256
121.162.155.0/24 AS17859 Naiseupyeonggajeongbo jusikhoesa 256
121.160.71.0/24 AS9647 Korea Telecom 256
121.164.116.0/24 AS9778 Daejindaehakgyo 256
121.162.108.0/24 AS9843 (ju)nonghyeopjeongbosiseu 256
121.163.255.0/24 AS38392 Gyeonggidoyangpyeonggyoyukjiwoncheong 256
121.163.204.0/24 AS38415 Gyeonggidogurinamyangjugyoyukjiwoncheong 256
121.163.173.0/24 AS38431 KT 256
121.163.175.0/24 AS38431 KT 256
121.160.57.0/24 AS4766 Seoulyeojaganhodaehak 256
121.160.64.0/24 AS4766 Korea Telecom 256
121.160.65.0/24 AS4766 Korea Telecom 256
121.160.66.0/24 AS4766 Korea Telecom 256
121.160.67.0/24 AS4766 Korea Telecom 256

Nearby Ranges

BGP prefixes that overlap with 121.0.0.0/8

Range ASN Company Num of IPs
121.128.0.0/11 AS17588 Korea Telecom 2,097,152
121.128.0.0/11 AS9856 Korea Telecom 2,097,152
121.160.0.0/11 AS38089 Korea Telecom 2,097,152
121.128.0.0/11 AS18333 Korea Telecom 2,097,152
121.128.0.0/11 AS38122 Korea Telecom 2,097,152
121.128.0.0/11 AS9647 Korea Telecom 2,097,152
121.160.0.0/11 AS4766 Korea Telecom 2,097,152
121.160.0.0/11 AS23582 Korea Telecom 2,097,152
121.128.0.0/11 AS4766 Korea Telecom 2,097,152
121.224.0.0/12 AS146966 CHINANET jiangsu province network 1,048,576
121.224.0.0/12 AS134770 CHINANET jiangsu province network 1,048,576
121.224.0.0/12 AS134756 CHINANET jiangsu province network 1,048,576
121.224.0.0/12 AS140292 CHINANET jiangsu province network 1,048,576
121.224.0.0/12 AS137702 CHINANET jiangsu province network 1,048,576
121.224.0.0/12 AS137697 CHINANET jiangsu province network 1,048,576
121.224.0.0/12 AS4134 CHINANET jiangsu province network 1,048,576
121.208.0.0/12 AS1221 Telstra Limited 1,048,576
121.224.0.0/12 AS137699 CHINANET jiangsu province network 1,048,576
121.112.0.0/13 AS4713 NTT DOCOMO BUSINESS,Inc. 524,288
121.8.0.0/13 AS136199 CHINANET Guangdong province network 524,288
121.8.0.0/13 AS135089 CHINANET Guangdong province network 524,288
121.16.0.0/13 AS4837 China Unicom Hebei province network 524,288
121.8.0.0/13 AS4134 CHINANET Guangdong province network 524,288
121.8.0.0/13 AS140308 CHINANET Guangdong province network 524,288
121.204.0.0/14 AS133775 CHINANET Fujian province network 262,144
121.204.0.0/14 AS133774 CHINANET Fujian province network 262,144
121.196.0.0/14 AS37963 Aliyun Computing Co., LTD 262,144
121.64.0.0/14 AS3786 LG DACOM Corporation 262,144
121.40.0.0/14 AS37963 Aliyun Computing Co., LTD 262,144
121.64.0.0/14 AS23555 LG DACOM Corporation 262,144
121.248.0.0/14 AS4538 China Education and Research Network 262,144
121.204.0.0/14 AS133776 CHINANET Fujian province network 262,144
121.32.0.0/14 AS4134 CHINANET Guangdong province network 262,144
121.84.0.0/14 AS17511 OPTAGE Inc. 262,144
121.64.0.0/14 AS17586 LG DACOM Corporation 262,144
121.60.0.0/14 AS4134 CHINANET Hubei province network 262,144
121.60.0.0/14 AS148981 CHINANET Hubei province network 262,144
121.24.0.0/14 AS4837 China Unicom Hebei province network 262,144
121.204.0.0/14 AS4134 CHINANET Fujian province network 262,144
121.80.0.0/14 AS17511 OPTAGE Inc. 262,144
121.64.0.0/14 AS17598 LG DACOM Corporation 262,144
121.56.0.0/15 AS4134 CHINANET neimeng province network 131,072
121.2.0.0/15 AS2527 Sony Network Communications Inc. 131,072
121.44.0.0/15 AS4739 iiNet Limited 131,072
121.98.0.0/15 AS9790 Two Degrees Mobile Limited 131,072
121.44.0.0/15 AS7545 iiNet Limited 131,072
121.124.0.0/15 AS9318 SK Broadband Co Ltd 131,072
121.4.0.0/15 AS45090 Tencent cloud computing (Beijing) Co., Ltd. 131,072
121.28.0.0/15 AS4837 China Unicom Hebei province network 131,072
121.194.0.0/15 AS4538 China Education and Research Network 131,072

Hosted domains

There are 903 domain names hosted across 552 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
121.162.146.3 optifarm.co.kr 25
121.160.169.172 uberdia.in 9
121.165.106.238 seoul-design.or.kr 8
121.167.147.114 allsecure.co.kr 6
121.166.179.87 our-heritage.net 6
121.160.237.73 gentoo-kr.org 5
121.160.50.50 irefer.co.kr 5
121.166.30.181 zangzini.com 4
121.166.155.25 mambab.co.kr 4
121.167.16.90 makinglotto.com 4
121.162.139.213 netdisk.kr 3
121.160.130.142 kichiu.kr 3
121.166.212.95 wnas.kr 3
121.165.242.53 glowellsystem.co.kr 3
121.167.61.80 ejestate.ml 3
121.166.102.164 oakwoodpremier.co.kr 3
121.166.140.171 taewonfood.co.kr 3
121.165.137.185 brdg.kr 3
121.167.147.113 asfagolf.org 3
121.162.54.4 kcmi.co.kr 3

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
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Pingable IPs

291,609 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
121.166.193.90 AS4766 Korea Telecom 1.27ms from Seoul, KR
121.166.101.126 AS4766 Korea Telecom 1.22ms from Seoul, KR
121.166.171.113 AS4766 Korea Telecom 1.35ms from Seoul, KR
121.166.231.126 AS4766 Korea Telecom 1.29ms from Seoul, KR
121.166.219.1 AS4766 Korea Telecom 0.99ms from Seoul, KR
121.167.2.36 AS4766 Korea Telecom 1.34ms from Seoul, KR
121.166.166.65 AS4766 Korea Telecom 1.26ms from Seoul, KR
121.166.135.19 AS4766 Korea Telecom 1.39ms from Seoul, KR
121.166.196.222 AS4766 Korea Telecom 1.23ms from Seoul, KR
121.167.6.212 AS4766 Korea Telecom 1.79ms from Seoul, KR
121.166.145.254 AS4766 Korea Telecom 1.56ms from Seoul, KR
121.166.252.225 AS4766 Korea Telecom 1.00ms from Seoul, KR
121.167.21.132 AS4766 Korea Telecom 1.76ms from Seoul, KR
121.166.87.254 AS4766 Korea Telecom 1.49ms from Seoul, KR
121.166.82.30 AS4766 Korea Telecom 1.22ms from Seoul, KR
121.167.0.6 AS4766 Korea Telecom 1.24ms from Seoul, KR
121.167.3.249 AS4766 Korea Telecom 1.34ms from Seoul, KR
121.166.130.113 AS4766 Korea Telecom 1.41ms from Seoul, KR
121.166.120.2 AS4766 Korea Telecom 1.64ms from Seoul, KR
121.166.122.182 AS4766 Korea Telecom 1.30ms from Seoul, KR
121.166.100.232 AS4766 Korea Telecom 1.26ms from Seoul, KR
121.166.224.81 AS4766 Korea Telecom 1.34ms from Seoul, KR
121.166.149.62 AS4766 Korea Telecom 1.46ms from Seoul, KR
121.166.204.158 AS4766 Korea Telecom 1.46ms from Seoul, KR
121.166.206.124 AS4766 Korea Telecom 1.46ms 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
91.176.187.45 AS5432 Proximus NV 1.17ms from Brussels, BE
37.99.171.77 AS47794 Etihad Atheeb Telecom Company 3.11ms from Jeddah, SA
175.141.255.253 AS4788 TM TECHNOLOGY SERVICES SDN. BHD. 2.49ms from Kuala Lumpur, MY
217.46.110.221 AS2856 British Telecommunications PLC 2.15ms from London, GB
214.54.217.189 AS121 United States Department of Defense (DoD) 1.79ms from Los Angeles, US
41.222.250.61 AS36907 TV CABO ANGOLA LDA 8.02ms from Luanda, AO
90.66.55.13 AS3215 Orange S.A. 2.84ms from Lyon, FR
5.159.10.45 AS59499 Mutua Madrilena Automovilista Sociedad De Seguros a Prima Fija 1.08ms from Madrid, ES
24.245.36.189 AS7922 Comcast Cable Communications, LLC 3.42ms from Minneapolis, US
5.128.172.189 AS31200 Novotelecom Ltd 1.32ms from Novosibirsk, RU
211.38.62.93 AS4766 Korea Telecom 4.20ms from Seoul, KR
115.4.105.45 AS4766 Korea Telecom 1.63ms from Seoul, KR
18.139.76.61 AS16509 Amazon.com, Inc. 0.12ms from Singapore, SG
49.213.141.61 AS18049 Taiwan Infrastructure Network Technologie 3.56ms from Taipei, TW
75.191.79.109 AS11426 Charter Communications Inc 13.26ms from Washington, US
50.6.175.93 AS19871 Network Solutions, LLC 0.93ms from Atlanta, US
44.238.14.253 AS16509 Amazon.com, Inc. 0.15ms from Boardman, US
136.255.218.45 AS12302 Vodafone Romania S.A. 0.34ms from Bucharest, RO
217.215.49.253 AS3301 Telia Company AB 2.27ms from Copenhagen, DK
189.17.238.45 AS4230 CLARO S.A. 0.86ms from Curitiba, BR
3.64.89.173 AS16509 Amazon.com, Inc. 0.28ms from Frankfurt am Main, DE
91.9.204.205 AS3320 Deutsche Telekom AG 7.54ms from Frankfurt am Main, DE
116.63.168.77 AS58519 Cloud Computing Corporation 0.69ms from Guiyang, CN
14.247.119.29 AS45899 VNPT Corp 2.77ms from Hanoi, VN
14.170.65.125 AS45899 VNPT Corp 3.65ms from Hanoi, VN

Traceroute

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

$
traceroute -a -n -q1 121.167.214.62
traceroute to 121.167.214.62 (121.167.214.62): 64 hops max, 52 byte packets
2 *
3 *
4 *
6 *
Measurement taken from IPinfo ProbeNet in Seoul, KR
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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