211.56.127.0/24

AS152232 · kt cloud Co., Ltd

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Summary

Country	South Korea
Domain	kt.com
ASN	AS152232
Parent Range	211.56.64.0/18
Registry	KRNIC
ID	KORNET-KR

WHOIS Details

inetnum:        211.56.64.0 - 211.56.127.255
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

Overlapping Ranges

BGP prefixes that contain 211.56.127.0/24

Range	ASN	Company	Num of IPs
211.56.64.0/18	AS152232	Korea Telecom	16,384
211.56.64.0/18	AS4766	Korea Telecom	16,384

Nearby Ranges

BGP prefixes that overlap with 211.56.0.0/16

Range	ASN	Company	Num of IPs
211.56.64.0/18	AS4766	Korea Telecom	16,384
211.56.64.0/18	AS152232	Korea Telecom	16,384
211.56.128.0/18	AS9457	DREAMLINE CO.	16,384
211.56.192.0/19	AS9848	SEJONG NETWORKS	8,192
211.56.8.0/21	AS4766	BITNET	2,048
211.56.156.0/24	AS38676	Flexnetwork	256
211.56.158.0/24	AS38676	Flexnetwork	256
211.56.160.0/24	AS38676	Flexnetwork	256
211.56.162.0/24	AS38676	Flexnetwork	256
211.56.163.0/24	AS38676	flexnet	256
211.56.170.0/24	AS38676	plexnet	256
211.56.171.0/24	AS38676	plexnet	256
211.56.173.0/24	AS38676	Flexnetwork	256
211.56.201.0/24	AS38676	FLEXNET	256
211.56.202.0/24	AS38676	FLEXNET	256
211.56.203.0/24	AS38676	FLEXNET	256
211.56.204.0/24	AS38676	FLEXNET	256
211.56.205.0/24	AS38676	FLEXNET	256
211.56.133.0/24	AS21859	Zenlayer Networks Korea Ltd	256
211.56.132.0/24	AS21859	Zenlayer Networks Korea Ltd	256
211.56.134.0/24	AS21859	Zenlayer Networks Korea Ltd	256
211.56.131.0/24	AS21859	Zenlayer Networks Korea Ltd	256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

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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
89.247.138.184	AS8881 1&1 Versatel GmbH	`4.65ms` from Berlin, DE
41.238.201.248	AS8452 TE-AS	`3.71ms` from Cairo, EG
97.130.177.184	AS6167 Verizon Business	`11.21ms` from Chicago, US
89.58.202.104	AS57353 vitroconnect GmbH	`6.97ms` from Duesseldorf, DE
58.42.94.24	AS4134 CHINANET-BACKBONE	`4.87ms` from Guiyang, CN
188.39.127.104	AS8468 ENTANET International Limited	`0.57ms` from London, GB
121.152.197.88	AS4766 Korea Telecom	`3.28ms` from Seoul, KR
1.170.221.216	AS3462 Data Communication Business Group	`1.60ms` from Taichung, TW
153.205.180.120	AS4713 NTT DOCOMO BUSINESS,Inc.	`7.09ms` from Tokyo, JP
52.156.24.136	AS8075 Microsoft Corporation	`0.37ms` from Toronto, CA
88.117.126.152	AS8447 A1 Telekom Austria AG	`10.22ms` from Vienna, AT
197.202.59.200	AS36947 Telecom Algeria	`13.87ms` from Algiers, DZ
67.173.171.152	AS7922 Comcast Cable Communications, LLC	`4.79ms` from Chicago, US
84.57.247.200	AS3209 Vodafone GmbH	`5.75ms` from Frankfurt am Main, DE
88.247.88.200	AS9121 Turk Telekomunikasyon Anonim Sirketi	`2.06ms` from Istanbul, TR
85.34.248.56	AS3269 Telecom Italia S.p.A.	`10.98ms` from Milan, IT
189.1.139.184	AS28665 Predlink Rede de Telecomunicções Ltda	`6.29ms` from Muriae, BR
34.163.68.8	AS396982 Google LLC	`0.11ms` from Paris, FR
39.69.123.232	AS4837 CHINA UNICOM China169 Backbone	`2.92ms` from Qingdao, CN
52.22.70.184	AS14618 Amazon.com, Inc.	`0.21ms` from Reston, US
221.232.101.184	AS4134 CHINANET-BACKBONE	`1.75ms` from Wuhan, CN
204.211.136.152	AS6559 State of NC - State Telecommunications Services	`14.47ms` from Ashburn, US
160.107.71.40	AS687 United States Department of Defense (DoD)	`2.67ms` from Ashburn, US
85.73.147.8	AS6799 Ote SA (Hellenic Telecommunications Organisation)	`1.60ms` from Athens, GR
20.12.56.40	AS8075 Microsoft Corporation	`0.26ms` from Boydton, US

Traceroute

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

traceroute -a -n -q1 -f4 -m16 211.56.127.33

traceroute to 211.56.127.33 (211.56.127.33): 16 hops max, 52 byte packets

4 [AS3356] 4.68.37.206 182.732 ms

5 [AS4766] 112.174.87.101 307.162 ms

6 [AS4766] 112.174.91.229 302.413 ms

7 [AS4766] 112.174.8.109 309.92 ms

8 *

9 [AS4766] 121.150.184.118 322.199 ms

10 [AS152232] 210.180.83.125 307.133 ms

11 [AS152232] 210.180.95.174 305.216 ms

12 [AS152232] 210.180.95.173 305.107 ms

13 [AS152232] 210.180.95.174 304.927 ms

14 *

15 *

16 *

Measurement taken from

IPinfo ProbeNet in Helsinki, FI

On January 18th 2026

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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