211.253.206.0/24

AS9857 · KOREA GAS CORPORATION

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Summary

Country	South Korea
Domain	kt.com
ASN	AS9857
Registry	KRNIC
ID	KORNET-KR

WHOIS Details

inetnum:        211.253.204.0 - 211.253.207.255
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

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

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

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
141.156.19.8	AS701 Verizon Business	`1.87ms` from Ashburn, US
98.236.47.248	AS7922 Comcast Cable Communications, LLC	`10.35ms` from Ashburn, US
79.166.105.24	AS3329 VODAFONE-PANAFON HELLENIC TELECOMMUNICATIONS COMPANY SA	`1.36ms` from Athens, GR
190.229.184.56	AS7303 Telecom Argentina S.A.	`1.74ms` from Buenos Aires, AR
47.39.81.152	AS20115 Charter Communications LLC	`4.82ms` from Los Angeles, US
176.84.198.216	AS3352 TELEFONICA DE ESPANA S.A.U.	`9.16ms` from Madrid, ES
75.33.242.104	AS7018 AT&T Enterprises, LLC	`9.88ms` from Miami, US
86.110.181.72	AS15774 Limited Liability Company "TTK-Svyaz"	`15.96ms` from Moscow, RU
90.105.176.168	AS3215 Orange S.A.	`7.84ms` from Paris, FR
54.173.111.136	AS14618 Amazon.com, Inc.	`0.20ms` from Reston, US
75.31.129.104	AS7018 AT&T Enterprises, LLC	`3.11ms` from San Jose, US
189.19.105.56	AS27699 TELEFÔNICA BRASIL S.A	`2.51ms` from Sao Paulo, BR
135.134.156.24	AS4181 TDS TELECOM	`7.42ms` from Seattle, US
119.218.118.184	AS4766 Korea Telecom	`4.30ms` from Seoul, KR
172.74.98.40	AS11426 Charter Communications Inc	`9.98ms` from Ashburn, US
107.204.212.216	AS7018 AT&T Enterprises, LLC	`2.05ms` from Atlanta, US
23.61.126.24	AS16625 Akamai Technologies, Inc.	`0.93ms` from Chicago, US
207.132.240.40	AS721 DoD Network Information Center	`10.18ms` from Dallas, US
109.120.176.24	AS210644 AEZA INTERNATIONAL LTD	`0.63ms` from Frankfurt am Main, DE
62.175.38.24	AS6739 VODAFONE ONO, S.A.	`4.63ms` from Madrid, ES
190.240.102.152	AS13489 UNE EPM TELECOMUNICACIONES S.A.	`9.33ms` from Medellin, CO
74.73.225.232	AS12271 Charter Communications Inc	`3.23ms` from New York City, US
1.94.110.184	AS55990 Huawei Cloud Service data center	`3.21ms` from Suzhou, CN
73.134.145.232	AS7922 Comcast Cable Communications, LLC	`6.44ms` from Ashburn, US
171.93.67.8	AS4134 CHINANET-BACKBONE	`7.85ms` from Chengdu, CN

Traceroute

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

traceroute -a -n -q1 -m15 211.253.206.168

traceroute to 211.253.206.168 (211.253.206.168): 15 hops max, 52 byte packets

1 [AS199524] 92.223.73.2 0.198 ms

2 *

3 *

4 [AS9286] 121.78.68.45 0.181 ms

5 *

6 *

7 *

8 [AS4766] 112.174.100.58 7.123 ms

9 *

10 *

11 [AS4766] 121.182.168.170 7.223 ms

12 [AS9857] 210.124.211.212 5.427 ms

13 *

14 *

15 *

Measurement taken from

IPinfo ProbeNet in Seoul, KR

On September 4th 2025

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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