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 AS9684 Korea Telecom 2,097,152
121.128.0.0/11 AS9870 Korea Telecom 2,097,152
121.128.0.0/11 AS9273 Korea Telecom 2,097,152
121.128.0.0/11 AS55630 Korea Telecom 2,097,152
121.128.0.0/11 AS9530 Korea Telecom 2,097,152
121.128.0.0/11 AS9862 Korea Telecom 2,097,152
121.128.0.0/11 AS9647 Korea Telecom 2,097,152
121.128.0.0/11 AS9968 Korea Telecom 2,097,152
121.128.0.0/11 AS9696 Korea Telecom 2,097,152
121.128.0.0/11 AS9638 Korea Telecom 2,097,152
121.128.0.0/11 AS46002 Korea Telecom 2,097,152
121.128.0.0/11 AS46009 Korea Telecom 2,097,152
121.128.0.0/11 AS38395 Korea Telecom 2,097,152
121.128.0.0/11 AS38412 Korea Telecom 2,097,152
121.128.0.0/11 AS55592 Korea Telecom 2,097,152
121.128.0.0/11 AS9526 Korea Telecom 2,097,152
121.128.0.0/11 AS4790 Korea Telecom 2,097,152
121.128.0.0/11 AS4766 Korea Telecom 2,097,152
121.128.0.0/11 AS9856 Korea Telecom 2,097,152
121.128.0.0/11 AS38399 Korea Telecom 2,097,152
121.128.0.0/11 AS131792 Korea Telecom 2,097,152
121.128.0.0/11 AS10040 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 AS45401 Korea Telecom 2,097,152
121.128.0.0/11 AS9776 Korea Telecom 2,097,152
121.128.0.0/11 AS152214 Korea Telecom 2,097,152
121.128.0.0/11 AS23591 Korea Telecom 2,097,152
121.128.0.0/11 AS45404 Korea Telecom 2,097,152
121.128.0.0/11 AS17588 Korea Telecom 2,097,152
121.128.0.0/11 AS55593 Korea Telecom 2,097,152
121.128.0.0/11 AS18333 Korea Telecom 2,097,152
121.128.0.0/11 AS18023 Korea Telecom 2,097,152
121.128.0.0/11 AS17834 Korea Telecom 2,097,152
121.128.0.0/11 AS38394 Korea Telecom 2,097,152
121.128.0.0/11 AS38126 Korea Telecom 2,097,152
121.128.0.0/11 AS38122 Korea Telecom 2,097,152

Hosted domains

There are 2,956 domain names hosted across 1,600 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
121.189.57.82 warning.or.kr 196
121.170.181.212 jei-platz.com 26
121.165.59.208 iublog.co.kr 23
121.189.20.69 career.go.kr 21
121.182.26.3 purunsol.or.kr 18
121.163.212.198 longestrun.kr 18
121.170.181.150 ssropen.com 14
121.189.62.40 ngoadmin.kr 12
121.164.248.237 ebizhp.com 11
121.160.50.70 kbsmc.com 11
121.188.36.69 hdcs.co.kr 10
121.160.169.172 yanus.co.kr 9
121.189.62.20 webtourm.com 9
121.165.106.238 apply4.me 8
121.164.244.72 camino.kr 8
121.189.48.26 jobkorea.co.kr 7
121.170.187.147 sungjutex.co.kr 7
121.189.18.173 bizhost.kr 6
121.174.38.74 xn--vb0bwwg52cuzb74n.com 6
121.189.58.240 blognawa.com 6

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

1,173,808 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
121.191.203.241 AS4766 Korea Telecom 4.67ms from Seoul, KR
121.191.232.19 AS4766 Korea Telecom 3.65ms from Seoul, KR
121.191.192.1 AS4766 Korea Telecom 3.25ms from Seoul, KR
121.191.183.129 AS4766 Korea Telecom 4.05ms from Seoul, KR
121.191.195.1 AS4766 Korea Telecom 3.12ms from Seoul, KR
121.191.189.254 AS4766 Korea Telecom 5.14ms from Seoul, KR
121.191.174.1 AS4766 Korea Telecom 3.25ms from Seoul, KR
121.191.102.174 AS4766 Korea Telecom 3.13ms from Seoul, KR
121.191.180.198 AS4766 Korea Telecom 3.75ms from Seoul, KR
121.191.97.158 AS4766 Korea Telecom 3.06ms from Seoul, KR
121.191.157.240 AS4766 Korea Telecom 2.56ms from Seoul, KR
121.191.184.23 AS4766 Korea Telecom 3.78ms from Seoul, KR
121.191.231.225 AS4766 Korea Telecom 3.06ms from Seoul, KR
121.191.254.129 AS4766 Korea Telecom 3.75ms from Seoul, KR
121.191.117.45 AS4766 Korea Telecom 2.84ms from Seoul, KR
121.191.167.1 AS4766 Korea Telecom 4.52ms from Seoul, KR
121.191.135.102 AS4766 Korea Telecom 4.02ms from Seoul, KR
121.191.235.189 AS4766 Korea Telecom 3.95ms from Seoul, KR
121.191.249.193 AS4766 Korea Telecom 3.16ms from Seoul, KR
121.191.246.174 AS4766 Korea Telecom 3.92ms from Seoul, KR
121.191.170.1 AS4766 Korea Telecom 4.45ms from Seoul, KR
121.191.96.158 AS4766 Korea Telecom 2.87ms from Seoul, KR
121.191.224.225 AS4766 Korea Telecom 3.14ms from Seoul, KR
121.191.115.170 AS4766 Korea Telecom 2.85ms from Seoul, KR
121.191.100.254 AS4766 Korea Telecom 3.22ms 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
193.122.159.123 AS31898 Oracle Corporation 0.33ms from Ashburn, US
85.214.120.123 AS6724 Strato GmbH 0.48ms from Berlin, DE
177.23.16.251 AS262887 RAPIX INTERNET 0.95ms from Fortaleza, BR
18.168.191.75 AS16509 Amazon.com, Inc. 0.15ms from London, GB
148.204.84.91 AS3484 Instituto Politecnico Nacional 2.06ms from Mexico City, MX
111.105.104.27 AS2516 KDDI CORPORATION 0.40ms from Osaka, JP
89.226.99.203 AS15557 Societe Francaise Du Radiotelephone - SFR SA 12.45ms from Paris, FR
86.238.120.43 AS3215 Orange S.A. 2.82ms from Paris, FR
189.128.64.91 AS8151 UNINET 1.27ms from Santiago de Queretaro, MX
67.160.115.235 AS7922 Comcast Cable Communications, LLC 4.68ms from Seattle, US
116.41.97.43 AS17858 LG POWERCOMM 1.89ms from Seoul, KR
14.60.178.155 AS4766 Korea Telecom 5.93ms from Seoul, KR
140.232.173.27 AS53260 Clark University 12.81ms from Ashburn, US
37.130.204.11 AS35766 Mabna Cloud 16.48ms from Baku, AZ
172.200.197.123 AS8075 Microsoft Corporation 0.80ms from Boydton, US
73.110.168.171 AS7922 Comcast Cable Communications, LLC 5.53ms from Chicago, US
213.182.251.91 AS28919 Stadtwerke Kufstein GmbH 12.14ms from Frankfurt am Main, DE
183.48.127.139 AS4134 CHINANET-BACKBONE 2.76ms from Guangzhou, CN
91.96.42.43 AS9145 EWE TEL GmbH 4.82ms from Hamburg, DE
2.138.197.75 AS3352 TELEFONICA DE ESPANA S.A.U. 1.59ms from Madrid, ES
66.179.84.203 AS13768 Aptum Technologies 0.47ms from Montreal, CA
194.226.69.203 AS3316 Join-stock company "Internet Exchange"MSK-IX" 0.78ms from Moscow, RU
114.222.145.171 AS4134 CHINANET-BACKBONE 2.40ms from Nanjing, CN
13.217.92.235 AS14618 Amazon.com, Inc. 0.60ms from Reston, US
182.211.224.155 AS17858 LG POWERCOMM 2.55ms from Seoul, KR

Traceroute

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

$
traceroute -a -n -q1 -m6 121.171.180.143
traceroute to 121.171.180.143 (121.171.180.143): 6 hops max, 52 byte packets
1 [AS15169] 74.125.251.95 240.33 ms
2 *
3 [AS4766] 112.174.84.17 265.111 ms
4 *
5 *
6 *
Measurement taken from IPinfo ProbeNet in Brussels, BE
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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