1. All IP Ranges
  2. 221.0.0.0/8
  3. AS4766  | 221.144.0.0/13

221.144.0.0/13

AS4766  ·  Korea Telecom

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Summary

Country South Korea
Domain kt.com
ASN AS4766
Registry KRNIC
ID KORNET-KR

WHOIS Details

inetnum:        221.144.0.0 - 221.168.255.255
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
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


person:         IP Manager
address:        Gyeonggi-do Bundang-gu, Seongnam-si Buljeong-ro 90
address:        KT Head Office
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 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

person:         IP Manager
address:        Gyeonggi-do Bundang-gu, Seongnam-si Buljeong-ro 90
address:        KT Head Office
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 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 221.0.0.0/8

Range ASN Company Num of IPs
221.240.0.0/12 AS17506 ARTERIA Networks Corporation 1,048,576
221.176.0.0/13 AS9808 China Mobile Communications Corporation 524,288
221.176.0.0/13 AS56040 China Mobile Communications Corporation 524,288
221.224.0.0/13 AS146966 CHINANET jiangsu province network 524,288
221.176.0.0/13 AS56046 China Mobile Communications Corporation 524,288
221.216.0.0/13 AS4808 China Unicom Beijing province network 524,288
221.224.0.0/13 AS134756 CHINANET jiangsu province network 524,288
221.224.0.0/13 AS138950 CHINANET jiangsu province network 524,288
221.224.0.0/13 AS134770 CHINANET jiangsu province network 524,288
221.184.0.0/13 AS4713 NTT DOCOMO BUSINESS,Inc. 524,288
221.176.0.0/13 AS56044 China Mobile Communications Corporation 524,288
221.224.0.0/13 AS4809 CHINANET jiangsu province network 524,288
221.176.0.0/13 AS139080 China Mobile Communications Corporation 524,288
221.176.0.0/13 AS132510 China Mobile Communications Corporation 524,288
221.176.0.0/13 AS24445 China Mobile Communications Corporation 524,288
221.224.0.0/13 AS140292 CHINANET jiangsu province network 524,288
221.224.0.0/13 AS23650 CHINANET jiangsu province network 524,288
221.176.0.0/13 AS56048 China Mobile Communications Corporation 524,288
221.224.0.0/13 AS4134 CHINANET jiangsu province network 524,288
221.224.0.0/13 AS137702 CHINANET jiangsu province network 524,288
221.224.0.0/13 AS131325 CHINANET jiangsu province network 524,288
221.176.0.0/13 AS56042 China Mobile Communications Corporation 524,288
221.176.0.0/13 AS141425 China Mobile Communications Corporation 524,288
221.224.0.0/13 AS137697 CHINANET jiangsu province network 524,288
221.232.0.0/14 AS4134 CHINANET Hubei province network 262,144
221.200.0.0/14 AS4837 China Unicom Liaoning Province Network 262,144
221.232.0.0/14 AS58563 CHINANET Hubei province network 262,144
221.124.0.0/14 AS9304 HGC Global Communications Limited 262,144
221.130.0.0/15 AS56041 China Mobile Communications Corporation 131,072
221.130.0.0/15 AS56042 China Mobile Communications Corporation 131,072
221.214.0.0/15 AS4837 China Unicom Shandong province network 131,072
221.130.0.0/15 AS9808 China Mobile Communications Corporation 131,072
221.204.0.0/15 AS4837 China Unicom Shanxi Province Network 131,072
221.8.0.0/15 AS4837 China Unicom JILIN province network 131,072
221.170.0.0/15 AS2518 BIGLOBE Inc. 131,072
221.213.0.0/16 AS4837 China Unicom Yunnan province network 65,536
221.6.0.0/16 AS140717 China Unicom Jiangsu province network 65,536
221.129.0.0/16 AS23841 TIANJIN BROADCAST & TV NETWORK CO. LTD 65,536
221.137.0.0/16 AS9812 Oriental Cable Network Co., Ltd. 65,536
221.10.0.0/16 AS4837 China Unicom SiChuan province network 65,536
221.169.0.0/16 AS4780 Digital United I 65,536
221.119.0.0/16 AS2516 KDDI CORPORATION 65,536
221.206.0.0/16 AS4837 China Unicom Heilongjiang Province Network 65,536
221.117.0.0/16 AS17506 ARTERIA Networks Corporation 65,536
221.6.0.0/16 AS4837 China Unicom Jiangsu province network 65,536
221.116.0.0/16 AS17506 ARTERIA Networks Corporation 65,536
221.115.0.0/16 AS17506 ARTERIA Networks Corporation 65,536
221.114.0.0/16 AS17506 ARTERIA Networks Corporation 65,536
221.112.0.0/16 AS17506 ARTERIA Networks Corporation 65,536
221.113.128.0/17 AS4713 NTT DOCOMO BUSINESS,Inc. 32,768

Hosted domains

There are 1,618 domain names hosted across 504 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
221.150.239.84 chabio.com 13
221.146.177.180 runjeju2024report.com 11
221.145.132.102 shgas.co.kr 7
221.144.61.90 ksdb.store 7
221.149.50.124 notebrew.kr 7
221.150.239.81 chahealth.co.kr 7
221.148.81.227 dv-pos.com 7
221.150.229.149 ez2db.com 6
221.146.6.184 proam.me 6
221.144.61.81 yellowhealing.com 6
221.144.57.45 freewaterad.com 6
221.146.140.102 lohas4u.kr 5
221.150.239.82 chaum.asia 5
221.146.142.44 bientech.co.kr 5
221.150.96.204 static-image.store 4
221.145.223.104 braintracer.co.kr 3
221.144.10.68 notallinone.site 3
221.147.168.241 hairwa.kr 3
221.147.202.15 grace-truth.org 3
221.149.239.224 galileo.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
Read more

Pingable IPs

236,726 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
221.149.108.246 AS4766 Korea Telecom 1.15ms from Seoul, KR
221.149.60.203 AS4766 Korea Telecom 1.39ms from Seoul, KR
221.149.47.254 AS4766 Korea Telecom 1.54ms from Seoul, KR
221.149.31.46 AS4766 Korea Telecom 1.59ms from Seoul, KR
221.148.217.225 AS4766 Korea Telecom 1.43ms from Seoul, KR
221.149.75.254 AS4766 Korea Telecom 1.49ms from Seoul, KR
221.149.151.130 AS4766 Korea Telecom 1.40ms from Seoul, KR
221.149.0.171 AS4766 Korea Telecom 1.41ms from Seoul, KR
221.149.196.126 AS4766 Korea Telecom 1.54ms from Seoul, KR
221.149.210.126 AS4766 Korea Telecom 1.70ms from Seoul, KR
221.149.139.136 AS4766 Korea Telecom 1.41ms from Seoul, KR
221.148.241.188 AS4766 Korea Telecom 1.57ms from Seoul, KR
221.149.167.6 AS4766 Korea Telecom 1.25ms from Seoul, KR
221.149.172.12 AS4766 Korea Telecom 1.29ms from Seoul, KR
221.149.195.92 AS4766 Korea Telecom 1.09ms from Seoul, KR
221.149.74.218 AS4766 Korea Telecom 1.17ms from Seoul, KR
221.149.11.86 AS4766 Korea Telecom 1.23ms from Seoul, KR
221.149.187.85 AS4766 Korea Telecom 1.10ms from Seoul, KR
221.149.101.246 AS4766 Korea Telecom 1.15ms from Seoul, KR
221.149.50.68 AS4766 Korea Telecom 1.51ms from Seoul, KR
221.149.102.254 AS4766 Korea Telecom 1.58ms from Seoul, KR
221.149.120.194 AS4766 Korea Telecom 1.78ms from Seoul, KR
221.148.237.15 AS4766 Korea Telecom 1.55ms from Seoul, KR
221.148.219.215 AS4766 Korea Telecom 1.24ms from Seoul, KR
221.149.160.222 AS4766 Korea Telecom 1.27ms 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
85.132.30.141 AS29049 Delta Telecom Ltd 0.92ms from Baku, AZ
71.248.182.77 AS701 Verizon Business 1.04ms from Boston, US
23.215.217.173 AS16625 Akamai Technologies, Inc. 0.23ms from Dallas, US
64.129.101.109 AS3549 Level 3 Parent, LLC 12.24ms from Dallas, US
163.0.61.109 AS17816 China Unicom IP network China169 Guangdong province 5.56ms from Guangzhou, CN
195.214.156.173 AS34984 Superonline Iletisim Hizmetleri A.S. 2.29ms from Istanbul, TR
119.112.246.221 AS4837 CHINA UNICOM China169 Backbone 7.95ms from Liaoyang, CN
2.220.76.125 AS5607 Sky UK Limited 11.58ms from London, GB
66.74.179.189 AS20001 Charter Communications Inc 9.07ms from Los Angeles, US
83.45.171.109 AS3352 TELEFONICA DE ESPANA S.A.U. 9.73ms from Madrid, ES
81.56.185.61 AS29447 SCALEWAY S.A.S. 2.17ms from Milan, IT
95.220.150.93 AS12714 PJSC MegaFon 4.60ms from Moscow, RU
176.192.35.45 AS12714 PJSC MegaFon 1.44ms from Moscow, RU
23.175.145.45 AS397391 Hop One Networks LLC 5.03ms from New York City, US
141.145.202.45 AS31898 Oracle Corporation 0.16ms from Paris, FR
86.234.62.61 AS3215 Orange S.A. 15.62ms from Paris, FR
3.237.188.125 AS14618 Amazon.com, Inc. 0.19ms from Reston, US
201.8.184.125 AS7738 V tal 11.03ms from Rio de Janeiro, BR
124.153.234.237 AS9694 Seokyung Cable Television Co.. Ltd. 8.09ms from Seoul, KR
188.191.226.93 AS202940 ITC NG ltd 0.14ms from Tel Aviv, IL
197.4.110.77 AS327934 SOCIETE NATIONALE DES TELECOMMUNICATIONS (Tunisie Telecom) 11.11ms from Tunis, TN
177.212.121.93 AS26599 TELEFÔNICA BRASIL S.A 4.35ms from Belo Horizonte, BR
181.111.122.109 AS7303 Telecom Argentina S.A. 14.17ms from Buenos Aires, AR
47.160.183.173 AS5650 Frontier Communications of America, Inc. 7.92ms from Dallas, US
119.237.199.253 AS4760 HKT Limited 1.39ms from Hong Kong, HK

Traceroute

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

$
traceroute -a -n -q1 221.151.103.122
traceroute to 221.151.103.122 (221.151.103.122): 64 hops max, 52 byte packets
2 *
3 *
4 *
6 *
7 [AS4766] 112.190.16.14 1.678 ms
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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