61.72.224.0/24

AS17841 · NATIONAL INFORMATION RESOURCES SERVICE

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Summary

Country	South Korea
Domain	kt.com
ASN	AS17841
Parent Range	61.72.0.0/13
Registry	APNIC
ID	KORNET

WHOIS Details

inetnum:        61.72.0.0 - 61.77.255.255
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:        [email protected] 20170203
source:         APNIC

irt:            IRT-KRNIC-KR
address:        Seoul Songpa-gu Jungdae-ro 135
e-mail:         [email protected]
abuse-mailbox:  [email protected]
admin-c:        IM574-AP
tech-c:         IM574-AP
auth:           # Filtered
mnt-by:         MNT-KRNIC-AP
changed:        [email protected] 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:         [email protected]
nic-hdl:        IM667-AP
mnt-by:         MNT-KRNIC-AP
changed:        [email protected] 20170328
source:         APNIC

inetnum:        61.72.0.0 - 61.77.255.255
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:        [email protected]
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:         [email protected]
nic-hdl:        IA9-KR
mnt-by:         MNT-KRNIC-AP
changed:        [email protected]
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:         [email protected]
nic-hdl:        IM9-KR
mnt-by:         MNT-KRNIC-AP
changed:        [email protected]
source:         KRNIC

Overlapping Ranges

BGP prefixes that contain 61.72.224.0/24

Range	ASN	Company	Num of IPs
61.72.0.0/13	AS4766	Korea Telecom	524,288

Nearby Ranges

BGP prefixes that overlap with 61.72.0.0/16

Range	ASN	Company	Num of IPs
61.72.0.0/13	AS4766	Korea Telecom	524,288
61.72.180.0/22	AS4766	Korea Telecom	1,024
61.72.128.0/23	AS18031	Korea Telecom	512
61.72.126.0/23	AS18031	Korea Telecom	512
61.72.230.0/24	AS17841	Korea Telecom	256
61.72.226.0/24	AS17841	Korea Telecom	256
61.72.239.0/24	AS17841	Korea Telecom	256
61.72.225.0/24	AS17841	Korea Telecom	256
61.72.238.0/24	AS17841	Korea Telecom	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

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

IP Address	ASN	Details
61.72.224.2	AS17841 NATIONAL INFORMATION RESOURCES SERVICE	1.59ms 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
179.106.186.40	AS52539 SBS-NET TELECOMUNICACOES LTDA ME	5.47ms from Osasco, BR
45.157.165.24	AS49974 Bo data ApS	3.21ms from Skanderborg, DK
185.216.138.72	AS207540 Cloud Concept S.A.	1.38ms from Athens, GR
220.185.95.136	AS4134 CHINANET-BACKBONE	6.75ms from Hangzhou, CN
67.117.58.104	AS7018 AT&T Enterprises, LLC	2.25ms from Los Angeles, US
31.3.179.8	AS200043 CESENA NET S.R.L.	4.69ms from Milan, IT
182.87.239.8	AS4134 CHINANET-BACKBONE	4.18ms from Nanchang, CN
171.108.212.40	AS4134 CHINANET-BACKBONE	0.86ms from Nanning, CN
188.122.250.136	AS8439 JSC AIST	2.75ms from Samara, RU
117.50.19.200	AS23724 IDC, China Telecommunications Corporation	2.49ms from Beijing, CN
193.8.113.232	AS47585 Yigit Hosting Bilisim E-Ticaret Gida Sanayi Ticaret Limited Sirketi	0.28ms from Bursa, TR
200.95.222.184	AS61937 Oquei Telecom Ltda	7.16ms from Osasco, BR
121.131.186.168	AS4766 Korea Telecom	1.18ms from Seoul, KR
20.220.54.72	AS8075 Microsoft Corporation	0.17ms from Toronto, CA
75.231.62.248	AS6167 Verizon Business	15.87ms from Chicago, US
104.186.179.152	AS7018 AT&T Enterprises, LLC	3.38ms from Dallas, US
93.203.4.216	AS3320 Deutsche Telekom AG	3.56ms from Frankfurt am Main, DE
54.161.254.152	AS14618 Amazon.com, Inc.	0.20ms from Reston, US
71.200.142.248	AS7922 Comcast Cable Communications, LLC	6.93ms from Reston, US
101.127.94.184	AS55430 Starhub Ltd	1.63ms from Singapore, SG
65.18.29.24	AS557 University of Maine System	9.76ms from Boston, US
73.171.49.168	AS7922 Comcast Cable Communications, LLC	12.90ms from Ashburn, US
24.192.39.56	AS12083 WideOpenWest Finance LLC	11.06ms from Atlanta, US
47.135.76.168	AS20115 Charter Communications LLC	10.54ms from Atlanta, US
167.0.121.88	AS3816 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC	3.54ms from Bogota, CO

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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