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 AS18023 Korea Telecom 2,097,152
121.128.0.0/11 AS152214 Korea Telecom 2,097,152
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 AS9696 Korea Telecom 2,097,152
121.128.0.0/11 AS18333 Korea Telecom 2,097,152
121.128.0.0/11 AS38399 Korea Telecom 2,097,152
121.128.0.0/11 AS38394 Korea Telecom 2,097,152
121.128.0.0/11 AS9776 Korea Telecom 2,097,152
121.128.0.0/11 AS9856 Korea Telecom 2,097,152
121.128.0.0/11 AS38412 Korea Telecom 2,097,152
121.128.0.0/11 AS38395 Korea Telecom 2,097,152
121.128.0.0/11 AS17588 Korea Telecom 2,097,152
121.128.0.0/11 AS38122 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 AS9638 Korea Telecom 2,097,152
121.128.0.0/11 AS9526 Korea Telecom 2,097,152
121.128.0.0/11 AS4766 Korea Telecom 2,097,152
121.128.0.0/11 AS9530 Korea Telecom 2,097,152
121.128.0.0/11 AS46002 Korea Telecom 2,097,152
121.128.0.0/11 AS9870 Korea Telecom 2,097,152
121.128.0.0/11 AS3786 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

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
121.168.100.209 AS4766 Korea Telecom 1.44ms from Seoul, KR
121.168.80.129 AS4766 Korea Telecom 2.02ms from Seoul, KR
121.168.242.61 AS4766 Korea Telecom 1.39ms from Seoul, KR
121.168.221.17 AS4766 Korea Telecom 1.68ms from Seoul, KR
121.169.7.27 AS4766 Korea Telecom 1.60ms from Seoul, KR
121.168.207.9 AS4766 Korea Telecom 1.45ms from Seoul, KR
121.168.203.47 AS4766 Korea Telecom 1.34ms from Seoul, KR
121.168.106.149 AS4766 Korea Telecom 1.70ms from Seoul, KR
121.168.112.52 AS4766 Korea Telecom 1.48ms from Seoul, KR
121.169.4.69 AS4766 Korea Telecom 1.38ms from Seoul, KR
121.168.237.218 AS4766 Korea Telecom 1.98ms from Seoul, KR
121.168.139.161 AS4766 Korea Telecom 1.26ms from Seoul, KR
121.169.12.141 AS4766 Korea Telecom 1.28ms from Seoul, KR
121.168.76.1 AS4766 Korea Telecom 2.12ms from Seoul, KR
121.168.67.88 AS4766 Korea Telecom 1.56ms from Seoul, KR
121.169.37.56 AS4766 Korea Telecom 2.08ms from Seoul, KR
121.169.1.36 AS4766 Korea Telecom 1.47ms from Seoul, KR
121.169.35.125 AS4766 Korea Telecom 1.41ms from Seoul, KR
121.168.240.79 AS4766 Korea Telecom 1.48ms from Seoul, KR
121.169.16.61 AS4766 Korea Telecom 1.53ms from Seoul, KR
121.168.69.18 AS4766 Korea Telecom 1.57ms from Seoul, KR
121.168.96.1 AS4766 Korea Telecom 1.65ms from Seoul, KR
121.168.142.17 AS4766 Korea Telecom 1.65ms from Seoul, KR
121.168.231.76 AS4766 Korea Telecom 2.07ms from Seoul, KR
121.168.107.238 AS4766 Korea Telecom 1.21ms 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
186.154.55.107 AS19429 ETB - Colombia 0.93ms from Bogota, CO
174.29.245.59 AS209 CenturyLink Communications, LLC 1.94ms from Denver, US
8.134.36.139 AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 0.53ms from Guangzhou, CN
103.23.227.219 AS55684 Universitas Sebelas Maret 11.06ms from Jakarta, ID
91.195.245.11 AS204552 POPILNYA.NET LLC 1.87ms from Kyiv, UA
81.102.155.59 AS5089 Virgin Media Limited 6.83ms from London, GB
68.101.191.187 AS22773 Cox Communications Inc. 7.59ms from Los Angeles, US
89.44.168.91 AS203055 Mega Limited 0.16ms from Luxembourg, LU
93.152.63.219 AS263812 SONDATECH S.A.S. 0.11ms from Mexico City, MX
50.149.168.235 AS7922 Comcast Cable Communications, LLC 6.54ms from Miami, US
216.17.23.251 AS10242 US Internet Corp 0.49ms from Minneapolis, US
178.217.51.91 AS197074 Regionalnye Telesystemy Ltd. 5.33ms from Novosibirsk, RU
80.147.69.171 AS3320 Deutsche Telekom AG 6.78ms from Nuernberg, DE
125.8.166.123 AS9824 JCOM Co., Ltd. 11.54ms from Osaka, JP
173.164.88.107 AS7922 Comcast Cable Communications, LLC 5.02ms from Portland, US
50.16.232.139 AS14618 Amazon.com, Inc. 0.22ms from Reston, US
54.174.23.91 AS14618 Amazon.com, Inc. 0.22ms from Reston, US
151.75.172.59 AS1267 WIND TRE S.P.A. 4.93ms from Rome, IT
24.130.101.187 AS7922 Comcast Cable Communications, LLC 6.99ms from Santa Clara, US
120.24.78.155 AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 1.63ms from Shenzhen, CN
13.50.71.123 AS16509 Amazon.com, Inc. 0.15ms from Stockholm, SE
93.172.21.251 AS1680 Cellcom Fixed Line Communication L.P 3.22ms from Tel Aviv, IL
178.60.204.75 AS12334 R Cable y Telecable Telecomunicaciones, S.A.U. 2.42ms from A Coruna, ES
132.220.228.107 AS8075 Microsoft Corporation 0.95ms from Amsterdam, NL
69.73.65.235 AS12083 WideOpenWest Finance LLC 3.06ms from Atlanta, US

Traceroute

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

$
traceroute -a -n -q1 121.174.150.11
traceroute to 121.174.150.11 (121.174.150.11): 64 hops max, 52 byte packets
2 *
3 *
4 *
5 *
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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