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  2. 61.0.0.0/8
  3. AS4766  | 61.84.0.0/15

61.84.0.0/15

AS4766  ·  Korea Telecom

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Summary

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

WHOIS Details

inetnum:        61.84.0.0 - 61.85.255.255
netname:        KORNET
descr:          Korea Telecom
country:        KR
admin-c:        IM667-AP
tech-c:         IM667-AP
status:         ALLOCATED PORTABLE
mnt-by:         MNT-KRNIC-AP
mnt-irt:        IRT-KRNIC-KR
last-modified:  2025-11-03T08:14:03Z
source:         APNIC

irt:            IRT-KRNIC-KR
address:        9, Jinheung-gil, Naju-si, Jeollanam-do
e-mail:         irt@nic.or.kr
abuse-mailbox:  irt@nic.or.kr
admin-c:        IM574-AP
tech-c:         IM574-AP
auth:           # Filtered
remarks:        irt@nic.or.kr was validated on 2020-04-09
mnt-by:         MNT-KRNIC-AP
last-modified:  2025-09-04T01:00:01Z
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
last-modified:  2017-03-28T06:37:04Z
source:         APNIC

inetnum:        61.84.0.0 - 61.85.255.255
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.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

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

Overlapping Ranges

BGP prefixes that are contained by 61.84.0.0/15

Range ASN Company Num of IPs
61.85.84.0/24 AS10058 Korea Telecom 256
61.85.91.0/24 AS10058 Korea Telecom 256
61.84.95.0/24 AS10185 (ju)hanaeunhaeng 256
61.84.121.0/24 AS4766 Korea Telecom 256
61.85.26.0/24 AS4766 Gatolsangjidaehak 256
61.85.70.0/24 AS9960 (ju)daegueunhaeng 256
61.84.218.0/23 AS18164 Mokpodaehakgyo 512
61.84.220.0/23 AS18164 Korea Telecom 512

Nearby Ranges

BGP prefixes that overlap with 61.0.0.0/8

Range ASN Company Num of IPs
61.32.0.0/13 AS4766 LG DACOM Corporation 524,288
61.32.0.0/13 AS10178 LG DACOM Corporation 524,288
61.32.0.0/13 AS63199 LG DACOM Corporation 524,288
61.32.0.0/13 AS9857 LG DACOM Corporation 524,288
61.32.0.0/13 AS38428 LG DACOM Corporation 524,288
61.32.0.0/13 AS13335 LG DACOM Corporation 524,288
61.32.0.0/13 AS9946 LG DACOM Corporation 524,288
61.32.0.0/13 AS10185 LG DACOM Corporation 524,288
61.32.0.0/13 AS38122 LG DACOM Corporation 524,288
61.32.0.0/13 AS9863 LG DACOM Corporation 524,288
61.32.0.0/13 AS10058 LG DACOM Corporation 524,288
61.32.0.0/13 AS3786 LG DACOM Corporation 524,288
61.32.0.0/13 AS9638 LG DACOM Corporation 524,288
61.32.0.0/13 AS23714 LG DACOM Corporation 524,288
61.32.0.0/13 AS9578 LG DACOM Corporation 524,288
61.32.0.0/13 AS138195 LG DACOM Corporation 524,288
61.32.0.0/13 AS45363 LG DACOM Corporation 524,288
61.32.0.0/13 AS9955 LG DACOM Corporation 524,288
61.32.0.0/13 AS17586 LG DACOM Corporation 524,288
61.40.0.0/14 AS17586 LG DACOM Corporation 262,144
61.40.0.0/14 AS23714 LG DACOM Corporation 262,144
61.40.0.0/14 AS9955 LG DACOM Corporation 262,144
61.40.0.0/14 AS9871 LG DACOM Corporation 262,144
61.40.0.0/14 AS55585 LG DACOM Corporation 262,144
61.40.0.0/14 AS45978 LG DACOM Corporation 262,144
61.40.0.0/14 AS3786 LG DACOM Corporation 262,144
61.174.0.0/15 AS136190 CHINANET Zhejiang province network 131,072
61.174.0.0/15 AS4134 CHINANET Zhejiang province network 131,072
61.148.0.0/15 AS4808 China Unicom IP network 131,072
61.52.0.0/15 AS4837 China Unicom Henan province network 131,072
61.225.0.0/16 AS3462 Chunghwa Telecom Co.,Ltd. 65,536
61.182.0.0/16 AS4837 China Unicom Hebei province network 65,536
61.165.0.0/16 AS4812 CHINANET Shanghai province network 65,536
61.179.0.0/16 AS4837 China Unicom Shandong province network 65,536
61.227.0.0/16 AS3462 Chunghwa Telecom Co.,Ltd. 65,536
61.199.0.0/16 AS4713 NTT DOCOMO BUSINESS,Inc. 65,536
61.181.0.0/16 AS4837 China Unicom Tianjin province network 65,536
61.17.0.0/16 AS4755 Internet Service Provider 65,536
61.167.0.0/16 AS4837 China Unicom Heilongjiang province network 65,536
61.116.0.0/16 AS4725 SoftBank Corp. 65,536
61.163.0.0/16 AS4837 China Unicom Henan province network 65,536
61.17.0.0/16 AS17908 Internet Service Provider 65,536
61.224.0.0/16 AS3462 Chunghwa Telecom Co.,Ltd. 65,536
61.152.0.0/16 AS4812 CHINANET Shanghai province network 65,536
61.154.0.0/16 AS140329 CHINANET Fujian province network 65,536
61.154.0.0/16 AS140330 CHINANET Fujian province network 65,536
61.147.0.0/16 AS137702 CHINANET jiangsu province network 65,536
61.155.0.0/16 AS137702 CHINANET jiangsu province network 65,536
61.226.0.0/16 AS3462 Chunghwa Telecom Co.,Ltd. 65,536

Hosted domains

There are 93 domain names hosted across 72 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
61.85.178.132 anybus.net 5
61.85.85.251 kiasc.or.kr 4
61.84.252.178 fishai.kr 3
61.85.197.37 imct.net 3
61.84.28.62 wecockpit.com 3
61.85.5.111 myideabank.org 2
61.85.23.4 danhosand.or.kr 2
61.84.242.117 rldn.xyz 2
61.85.62.22 ds-ch.org 2
61.84.110.175 kcc-motion.com 2
61.85.178.134 tajoeye.co.kr 2
61.84.6.77 rosenet.co 2
61.85.98.222 ehansco.co.kr 2
61.85.85.230 rastech.co.kr 2
61.85.178.170 cybtech.kr 2
61.84.110.150 drsets.co.kr 1
61.85.124.224 windrider.kr 1
61.84.68.9 ghss.or.kr 1
61.84.22.222 crazymousec.com 1
61.85.112.21 rndp.net 1

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

79,844 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
61.84.29.104 AS4766 Korea Telecom 1.62ms from Seoul, KR
61.84.22.82 AS4766 Korea Telecom 1.58ms from Seoul, KR
61.84.15.140 AS4766 Korea Telecom 1.50ms from Seoul, KR
61.84.3.53 AS4766 Korea Telecom 1.25ms from Seoul, KR
61.84.19.86 AS4766 Korea Telecom 1.94ms from Seoul, KR
61.84.13.54 AS4766 Korea Telecom 1.60ms from Seoul, KR
61.84.1.242 AS4766 Korea Telecom 1.25ms from Seoul, KR
61.84.0.80 AS4766 Korea Telecom 1.26ms from Seoul, KR
61.84.20.24 AS4766 Korea Telecom 1.74ms from Seoul, KR
61.84.16.205 AS4766 Korea Telecom 1.18ms from Seoul, KR
61.84.18.202 AS4766 Korea Telecom 1.71ms from Seoul, KR
61.84.12.1 AS4766 Korea Telecom 1.61ms from Seoul, KR
61.84.28.1 AS4766 Korea Telecom 1.79ms from Seoul, KR
61.84.2.38 AS4766 Korea Telecom 2.15ms from Seoul, KR
61.84.7.198 AS4766 Korea Telecom 1.49ms from Seoul, KR
61.84.24.69 AS4766 Korea Telecom 1.51ms from Seoul, KR
61.84.30.96 AS4766 Korea Telecom 1.57ms from Seoul, KR
61.84.4.155 AS4766 Korea Telecom 1.30ms from Seoul, KR
61.84.11.198 AS4766 Korea Telecom 1.73ms from Seoul, KR
61.84.8.159 AS4766 Korea Telecom 1.60ms from Seoul, KR
61.84.27.212 AS4766 Korea Telecom 1.43ms from Seoul, KR
61.84.17.176 AS4766 Korea Telecom 1.42ms from Seoul, KR
61.84.14.173 AS4766 Korea Telecom 1.45ms from Seoul, KR
61.84.5.212 AS4766 Korea Telecom 1.52ms from Seoul, KR
61.84.6.240 AS4766 Korea Telecom 1.34ms 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
20.31.192.127 AS8075 Microsoft Corporation 0.22ms from Amsterdam, NL
20.231.86.63 AS8075 Microsoft Corporation 0.46ms from Ashburn, US
23.120.175.127 AS7018 AT&T Enterprises, LLC 6.87ms from Atlanta, US
171.4.74.191 AS45758 Triple T Broadband Public Company Limited 5.02ms from Bangkok, TH
105.168.224.143 AS37119 UNITEL SA 0.83ms from Luanda, AO
190.141.92.47 AS18809 Cable Onda 7.14ms from Panama, PA
4.227.37.207 AS8075 Microsoft Corporation 0.20ms from Phoenix, US
24.23.57.111 AS7922 Comcast Cable Communications, LLC 7.09ms from San Jose, US
187.3.75.15 AS28573 Claro NXT Telecomunicacoes Ltda 6.79ms from Sao Paulo, BR
147.47.211.255 AS9488 Seoul National University 0.77ms from Seoul, KR
2.70.129.239 AS44034 Hi3G Access AB 7.03ms from Stockholm, SE
180.20.139.31 AS4713 NTT DOCOMO BUSINESS,Inc. 2.67ms from Tokyo, JP
91.234.207.143 AS198442 Totalizator Sportowy Sp. z o.o. 0.44ms from Warsaw, PL
49.227.175.159 AS9500 One New Zealand Group Limited 15.92ms from Auckland, NZ
20.14.208.143 AS8075 Microsoft Corporation 0.29ms from Boydton, US
201.177.97.95 AS22927 Telefonica de Argentina 2.56ms from Buenos Aires, AR
108.166.105.31 AS19994 Rackspace Hosting 1.27ms from Chicago, US
14.185.117.79 AS45899 VNPT Corp 4.91ms from Da Nang, VN
109.193.235.63 AS3209 Vodafone GmbH 11.19ms from Frankfurt am Main, DE
183.80.46.31 AS18403 FPT Telecom Company 1.50ms from Hanoi, VN
43.198.151.143 AS16509 Amazon.com, Inc. 0.11ms from Hong Kong, HK
93.223.115.159 AS3320 Deutsche Telekom AG 9.63ms from Nuernberg, DE
217.255.29.239 AS3320 Deutsche Telekom AG 3.65ms from Nuernberg, DE
114.169.222.175 AS4713 NTT DOCOMO BUSINESS,Inc. 13.49ms from Osaka, JP
177.73.249.111 AS262558 PROMPT BRASIL SOLUCOES EM TI LTDA 0.63ms from Osasco, BR

Traceroute

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

$
traceroute -a -n -q1 61.84.149.59
traceroute to 61.84.149.59 (61.84.149.59): 64 hops max, 52 byte packets
2 *
3 *
4 *
6 *
7 *
8 [AS4766] 61.84.149.59 12.707 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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