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  2. 121.0.0.0/8
  3. AS4766  | 121.160.0.0/11

121.160.0.0/11

AS4766  ·  Korea Telecom

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Summary

Country South Korea
Domain kt.com
ASN AS4766
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

Nearby Ranges

BGP prefixes that overlap with 121.0.0.0/8

Range ASN Company Num of IPs
121.128.0.0/11 AS38126 Korea Telecom 2,097,152
121.128.0.0/11 AS131792 Korea Telecom 2,097,152
121.128.0.0/11 AS38394 Korea Telecom 2,097,152
121.128.0.0/11 AS38395 Korea Telecom 2,097,152
121.128.0.0/11 AS18023 Korea Telecom 2,097,152
121.128.0.0/11 AS38399 Korea Telecom 2,097,152
121.128.0.0/11 AS152214 Korea Telecom 2,097,152
121.128.0.0/11 AS18333 Korea Telecom 2,097,152
121.128.0.0/11 AS38412 Korea Telecom 2,097,152
121.128.0.0/11 AS38122 Korea Telecom 2,097,152
121.128.0.0/11 AS9696 Korea Telecom 2,097,152
121.128.0.0/11 AS9856 Korea Telecom 2,097,152
121.128.0.0/11 AS46002 Korea Telecom 2,097,152
121.128.0.0/11 AS9776 Korea Telecom 2,097,152
121.128.0.0/11 AS3786 Korea Telecom 2,097,152
121.128.0.0/11 AS38697 Korea Telecom 2,097,152
121.128.0.0/11 AS9647 Korea Telecom 2,097,152
121.128.0.0/11 AS4766 Korea Telecom 2,097,152
121.128.0.0/11 AS9638 Korea Telecom 2,097,152
121.128.0.0/11 AS17588 Korea Telecom 2,097,152
121.128.0.0/11 AS9526 Korea Telecom 2,097,152
121.128.0.0/11 AS9530 Korea Telecom 2,097,152
121.128.0.0/11 AS9870 Korea Telecom 2,097,152
121.224.0.0/12 AS4134 CHINANET jiangsu province network 1,048,576
121.224.0.0/12 AS146966 CHINANET jiangsu province network 1,048,576

Hosted domains

There are 3,850 domain names hosted across 1,640 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
121.172.144.215 33s.co.kr 79
121.178.95.235 hankukcar.co.kr 16
121.170.181.150 ssrolc.com 14
121.165.59.208 iutour.co.kr 12
121.160.50.100 cimcare.co.kr 12
121.172.21.59 hagwon.net 11
121.189.61.136 dooincnc.com 11
121.162.19.88 intbow.com 11
121.171.203.14 gusoksa.org 10
121.189.48.20 jobkorea.co.kr 8
121.170.187.147 ilscl.co.kr 7
121.189.48.26 jobkorea.co.kr 7
121.179.177.210 fairlineai.com 7
121.189.59.242 canqin.wang 6
121.185.143.57 bioliv.co.kr 6
121.189.58.240 blognawa.com 6
121.189.18.173 bizhost.kr 6
121.189.61.156 comnarae.co.kr 5
121.167.45.2 onlinelaw.kr 5
121.169.214.172 snowturn.com 5

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

1,175,695 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
121.191.197.129 AS4766 Korea Telecom 3.12ms from Seoul, KR
121.191.252.1 AS4766 Korea Telecom 3.23ms from Seoul, KR
121.191.229.193 AS4766 Korea Telecom 3.14ms from Seoul, KR
121.191.186.104 AS4766 Korea Telecom 3.36ms from Seoul, KR
121.191.202.251 AS4766 Korea Telecom 2.98ms from Seoul, KR
121.191.247.209 AS4766 Korea Telecom 3.33ms from Seoul, KR
121.191.241.185 AS4766 Korea Telecom 3.18ms from Seoul, KR
121.191.224.225 AS4766 Korea Telecom 3.21ms from Seoul, KR
121.191.254.129 AS4766 Korea Telecom 3.66ms from Seoul, KR
121.191.213.110 AS4766 Korea Telecom 4.60ms from Seoul, KR
121.191.233.64 AS4766 Korea Telecom 3.64ms from Seoul, KR
121.191.199.158 AS4766 Korea Telecom 3.42ms from Seoul, KR
121.191.195.1 AS4766 Korea Telecom 3.03ms from Seoul, KR
121.191.210.1 AS4766 Korea Telecom 3.03ms from Seoul, KR
121.191.215.1 AS4766 Korea Telecom 3.66ms from Seoul, KR
121.191.245.97 AS4766 Korea Telecom 3.54ms from Seoul, KR
121.191.192.126 AS4766 Korea Telecom 3.21ms from Seoul, KR
121.191.237.1 AS4766 Korea Telecom 4.75ms from Seoul, KR
121.191.225.62 AS4766 Korea Telecom 3.22ms from Seoul, KR
121.191.209.237 AS4766 Korea Telecom 3.46ms from Seoul, KR
121.191.214.214 AS4766 Korea Telecom 3.14ms from Seoul, KR
121.191.185.97 AS4766 Korea Telecom 4.71ms from Seoul, KR
121.191.253.97 AS4766 Korea Telecom 3.15ms from Seoul, KR
121.191.231.225 AS4766 Korea Telecom 2.89ms from Seoul, KR
121.191.251.33 AS4766 Korea Telecom 3.27ms 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
37.251.48.91 AS1136 KPN B.V. 1.28ms from Amsterdam, NL
139.55.44.139 AS7029 Windstream Communications LLC 14.86ms from Ashburn, US
141.237.75.219 AS3329 VODAFONE-PANAFON HELLENIC TELECOMMUNICATIONS COMPANY SA 4.33ms from Athens, GR
24.91.46.171 AS7922 Comcast Cable Communications, LLC 8.29ms from Boston, US
119.140.254.139 AS4134 CHINANET-BACKBONE 6.12ms from Guangzhou, CN
43.161.223.235 AS132203 Tencent Building, Kejizhongyi Avenue 0.34ms from Hong Kong, HK
72.37.212.251 AS3257 GTT Communications Inc. 0.35ms from Los Angeles, US
186.1.4.171 AS18840 EQUIPOS Y SISTEMAS S.A. 0.48ms from Managua, NI
103.66.235.123 AS134014 NET 4 U SERVICES PVT LTD 1.11ms from Mumbai, IN
3.110.110.139 AS16509 Amazon.com, Inc. 0.28ms from Mumbai, IN
148.80.70.139 AS396982 Google LLC 0.09ms from Santiago de Queretaro, MX
128.199.92.43 AS14061 DigitalOcean, LLC 0.20ms from Singapore, SG
20.15.84.43 AS8075 Microsoft Corporation 0.23ms from Boydton, US
105.78.193.11 AS36884 Wana Corporate 5.26ms from Casablanca, MA
108.195.39.75 AS7018 AT&T Enterprises, LLC 11.54ms from Dallas, US
174.29.245.59 AS209 CenturyLink Communications, LLC 1.94ms from Denver, US
23.51.119.139 AS16625 Akamai Technologies, Inc. 0.43ms from Duesseldorf, DE
88.72.216.11 AS3209 Vodafone GmbH 4.53ms from Frankfurt am Main, DE
188.239.192.43 AS44416 Satellite Net Service LLC 8.50ms from Kyiv, UA
161.73.246.27 AS786 Jisc Services Limited 2.71ms from London, GB
89.44.168.91 AS203055 Mega Limited 0.16ms from Luxembourg, LU
83.44.64.11 AS3352 TELEFONICA DE ESPANA S.A.U. 10.73ms from Madrid, ES
112.28.178.139 AS9808 China Mobile Communications Group Co., Ltd. 11.16ms from Nanjing, CN
84.182.20.91 AS3320 Deutsche Telekom AG 2.78ms from Nuernberg, DE
173.170.75.219 AS33363 Charter Communications, Inc 10.38ms from Orlando, US

Traceroute

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

$
traceroute -a -n -q1 121.190.64.193
traceroute to 121.190.64.193 (121.190.64.193): 64 hops max, 52 byte packets
3 *
4 *
5 *
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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