211.253.72.0/21

AS9531 · Gwangju Education Research Information Service

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Summary

Country	South Korea
Domain	kt.com
ASN	AS9531
Registry	KRNIC
ID	KORNET-KR

WHOIS Details

inetnum:        211.253.40.0 - 211.253.83.255
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:        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

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

Read more

Pingable IPs

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

IP Address	ASN	Details
211.253.79.1	AS9531 Gwangju Education Research Information Service	`5.88ms` 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
177.174.43.133	AS26599 TELEFÔNICA BRASIL S.A	`10.74ms` from Belo Horizonte, BR
65.60.236.21	AS11776 Breezeline	`14.14ms` from Chicago, US
14.96.231.21	AS45820 Tata Teleservices ISP AS	`0.70ms` from Delhi, IN
122.180.96.229	AS9498 BHARTI Airtel Ltd.	`1.48ms` from Delhi, IN
213.132.54.53	AS15802 Emirates Integrated Telecommunications Company PJSC	`3.56ms` from Dubai, AE
113.181.172.181	AS45899 VNPT Corp	`3.64ms` from Hanoi, VN
197.64.178.213	AS16637 MTN SA	`16.25ms` from Johannesburg, ZA
87.229.180.21	AS3216 PJSC "Vimpelcom"	`0.33ms` from Khabarovsk, RU
175.170.225.117	AS4837 CHINA UNICOM China169 Backbone	`8.65ms` from Liaoyang, CN
86.191.170.165	AS2856 British Telecommunications PLC	`1.94ms` from London, GB
82.60.147.133	AS3269 Telecom Italia S.p.A.	`4.01ms` from Milan, IT
121.85.148.53	AS17511 OPTAGE Inc.	`2.30ms` from Osaka, JP
68.220.50.229	AS8075 Microsoft Corporation	`0.70ms` from San Jose, US
121.176.16.69	AS4766 Korea Telecom	`6.42ms` from Seoul, KR
220.134.204.69	AS3462 Data Communication Business Group	`3.63ms` from Taichung, TW
114.35.20.133	AS3462 Data Communication Business Group	`1.64ms` from Taichung, TW
60.3.242.117	AS4837 CHINA UNICOM China169 Backbone	`9.27ms` from Tianjin, CN
66.111.42.133	AS20371 Apsis Communications Inc	`9.04ms` from Toronto, CA
217.150.60.5	AS20485 Joint Stock Company TransTeleCom	`0.44ms` from Vladivostok, RU
108.178.222.69	AS30036 Mediacom Communications Corp	`5.08ms` from Atlanta, US
162.81.133.181	AS33566 Knoxville Utilities Board	`6.78ms` from Atlanta, US
196.16.73.37	AS263812 SONDATECH S.A.S.	`0.70ms` from Bogota, CO
108.88.137.69	AS7018 AT&T Enterprises, LLC	`6.59ms` from Chicago, US
189.85.28.85	AS11835 NOVAFIBRA	`0.46ms` from Curitiba, BR
217.233.179.53	AS3320 Deutsche Telekom AG	`2.53ms` from Hamburg, DE

Traceroute

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

traceroute -a -n -q1 -m5 211.253.72.222

traceroute to 211.253.72.222 (211.253.72.222): 5 hops max, 52 byte packets

1 [AS43289] 178.175.137.1 1.567 ms

2 [AS43289] 178.17.160.166 9.037 ms

3 *

4 *

5 *

Measurement taken from

IPinfo ProbeNet in Chisinau, MD

On September 11th 2025

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