61.251.75.0/24

AS4766 · Korea Telecom

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Summary

Country	South Korea
Domain	kt.com
ASN	AS4766
Parent Range	61.251.64.0/20
Registry	APNIC
ID	KORNET

WHOIS Details

inetnum:        61.251.64.0 - 61.251.79.255
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:        61.251.64.0 - 61.251.79.255
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

Overlapping Ranges

BGP prefixes that contain 61.251.75.0/24

Range	ASN	Company	Num of IPs
61.251.64.0/20	AS4766	Korea Telecom	4,096

Nearby Ranges

BGP prefixes that overlap with 61.251.0.0/16

Range	ASN	Company	Num of IPs
61.251.192.0/18	AS9689	SK Broadband Co Ltd	16,384
61.251.176.0/20	AS38676	ILINKKOREA	4,096
61.251.64.0/20	AS4766	Korea Telecom	4,096
61.251.96.0/20	AS2914	NTT KOREA	4,096
61.251.192.0/21	AS9689	SK Broadband Co Ltd	2,048
61.251.16.0/21	AS9286	KINX	2,048
61.251.24.0/21	AS9286	KINX	2,048
61.251.228.0/22	AS9689	SK Broadband Co Ltd	1,024
61.251.208.0/22	AS9689	SK Broadband Co Ltd	1,024
61.251.4.0/23	AS38684	CMB Daejeon Broadcasting Co,.Ltd	512
61.251.212.0/23	AS9689	SK Broadband Co Ltd	512
61.251.14.0/23	AS38684	CMB Daejeon Broadcasting Co,.Ltd	512
61.251.238.0/23	AS9689	SK Broadband Co Ltd	512
61.251.222.0/23	AS9689	SK Broadband Co Ltd	512
61.251.206.0/23	AS9689	SK Broadband Co Ltd	512
61.251.112.0/23	AS3786	Asia Pacific Network Information Centre	512
61.251.218.0/23	AS9689	SK Broadband Co Ltd	512
61.251.200.0/23	AS9689	SK Broadband Co Ltd	512
61.251.2.0/23	AS38684	CMB Daejeon Broadcasting Co,.Ltd	512
61.251.10.0/23	AS38684	CMB Daejeon Broadcasting Co,.Ltd	512
61.251.8.0/23	AS38684	CMB Daejeon Broadcasting Co,.Ltd	512
61.251.234.0/23	AS9689	SK Broadband Co Ltd	512
61.251.252.0/23	AS9689	SK Broadband Co Ltd	512
61.251.162.0/24	AS10160	KDDI KOREA	256
61.251.77.0/24	AS4766	Korea Telecom	256
61.251.247.0/24	AS9689	SK Broadband Co Ltd	256
61.251.65.0/24	AS4766	Korea Telecom	256
61.251.13.0/24	AS38684	CMB Daejeon Broadcasting Co,.Ltd	256
61.251.76.0/24	AS4766	Korea Telecom	256
61.251.69.0/24	AS4766	Korea Telecom	256
61.251.68.0/24	AS4766	Korea Telecom	256
61.251.71.0/24	AS4766	Korea Telecom	256
61.251.73.0/24	AS4766	Korea Telecom	256
61.251.168.0/24	AS10160	KDDI KOREA	256
61.251.245.0/24	AS38096	SK Broadband Co Ltd	256
61.251.171.0/24	AS10160	KDDI KOREA	256
61.251.175.0/24	AS10160	KDDI KOREA	256
61.251.163.0/24	AS10160	KDDI KOREA	256
61.251.70.0/24	AS4766	Korea Telecom	256
61.251.1.0/24	AS38684	CMB Daejeon Broadcasting Co,.Ltd	256
61.251.74.0/24	AS4766	Korea Telecom	256
61.251.216.0/24	AS38096	SK Broadband Co Ltd	256
61.251.240.0/24	AS38096	SK Broadband Co Ltd	256
61.251.164.0/24	AS10160	KDDI KOREA	256
61.251.166.0/24	AS10160	KDDI KOREA	256
61.251.250.0/24	AS38096	SK Broadband Co Ltd	256
61.251.243.0/24	AS38096	SK Broadband Co Ltd	256
61.251.78.0/24	AS4766	Korea Telecom	256
61.251.227.0/24	AS9689	SK Broadband Co Ltd	256

Hosted domains

There are no domains currently hosted on this ASN.

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

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Pingable IPs

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

IP Address	ASN	Details
61.251.75.175	AS4766 Korea Telecom	1.08ms 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
103.210.12.56	AS7015 Comcast Cable Communications, LLC	0.39ms from Boston, US
18.118.139.216	AS16509 Amazon.com, Inc.	0.15ms from Columbus, US
99.129.40.168	AS7018 AT&T Enterprises, LLC	5.33ms from Dallas, US
103.106.34.168	AS137252 Mohammad Shahajahan	1.29ms from Dhaka, BD
87.172.152.40	AS3320 Deutsche Telekom AG	5.87ms from Frankfurt am Main, DE
47.243.134.232	AS45102 Alibaba (US) Technology Co., Ltd.	0.57ms from Hong Kong, HK
5.133.103.200	AS212219 HOSTING DUNYAM	0.32ms from Istanbul, TR
80.5.132.184	AS5089 Virgin Media Limited	4.89ms from London, GB
23.123.164.56	AS7018 AT&T Enterprises, LLC	1.67ms from Los Angeles, US
46.6.14.200	AS15704 XTRA TELECOM S.A.	1.42ms from Madrid, ES
148.153.249.216	AS63199 CDS Global Cloud Co., Ltd	0.21ms from Miami, US
162.203.102.24	AS7018 AT&T Enterprises, LLC	11.54ms from Miami, US
121.80.245.200	AS17511 OPTAGE Inc.	2.51ms from Osaka, JP
168.197.218.248	AS264784 OBERCOM S.R.L.	19.92ms from Osasco, BR
177.184.51.24	AS52896 BDNET SOLUCOES TECNOLOGICAS LTDA ME	12.23ms from Rio de Janeiro, BR
99.105.247.40	AS7018 AT&T Enterprises, LLC	17.11ms from San Antonio, US
24.84.237.56	AS6327 Shaw Communications Inc.	6.88ms from Seattle, US
118.59.237.152	AS4766 Korea Telecom	6.70ms from Seoul, KR
116.232.146.152	AS4812 China Telecom (Group)	2.72ms from Shanghai, CN
57.180.160.184	AS16509 Amazon.com, Inc.	0.14ms from Tokyo, JP
130.107.72.72	AS8075 Microsoft Corporation	1.15ms from Toronto, CA
88.118.197.248	AS8764 Telia Lietuva, AB	1.06ms from Vilnius, LT
122.189.8.232	AS4837 CHINA UNICOM China169 Backbone	12.69ms from Wuhan, CN
98.71.151.56	AS8075 Microsoft Corporation	0.29ms from Amsterdam, NL
149.72.254.136	AS11377 SendGrid, Inc.	0.38ms from Ashburn, US

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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