221.154.82.0/24

AS4766 · Korea Telecom

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Summary

Country	South Korea
Domain	kt.com
ASN	AS4766
Parent Range	221.144.0.0/12
Registry	KRNIC
ID	221.154.82.0-221.154.82.255

WHOIS Details

inetnum:            221.154.82.0 - 221.154.82.255
descr:              Inhagongeopjeonmundaehak
network-type:       CUSTOMER
address:            Yonghyeon-Dong Nam-Gu Incheongwangyeok-Si
zip-code:           402-020
created:            2015-03-17
admin:              GENERATED-KRNIC-IP-MANAGER-KORNETIP
country:            KR
source:             KRNIC

nic-hdl:            GENERATED-KRNIC-IP-MANAGER-KORNETIP
person:             IP Manager
name:               IP Manager
phone:              +82-2-500-6630
e-mail:             kornet_ip@kt.com
source:             KRNIC

Overlapping Ranges

BGP prefixes that contain 221.154.82.0/24

Range	ASN	Company	Num of IPs
221.144.0.0/12	AS152214	Korea Telecom	1,048,576
221.144.0.0/12	AS152232	Korea Telecom	1,048,576
221.144.0.0/12	AS4766	Korea Telecom	1,048,576
221.144.0.0/12	AS9856	Korea Telecom	1,048,576

Nearby Ranges

BGP prefixes that overlap with 221.154.0.0/16

Range	ASN	Company	Num of IPs
221.144.0.0/12	AS152214	Korea Telecom	1,048,576
221.144.0.0/12	AS152232	Korea Telecom	1,048,576
221.144.0.0/12	AS4766	Korea Telecom	1,048,576
221.144.0.0/12	AS9856	Korea Telecom	1,048,576
221.154.90.0/24	AS4766	Inhagongeopjeonmundaehak	256
221.154.89.0/24	AS4766	Inhagongeopjeonmundaehak	256
221.154.85.0/24	AS4766	Inhagongeopjeonmundaehak	256
221.154.86.0/24	AS4766	Inhagongeopjeonmundaehak	256
221.154.83.0/24	AS4766	Inhagongeopjeonmundaehak	256
221.154.88.0/24	AS4766	Inhagongeopjeonmundaehak	256
221.154.87.0/24	AS4766	Inhagongeopjeonmundaehak	256
221.154.84.0/24	AS4766	Inhagongeopjeonmundaehak	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
71.31.251.88	AS7029 Windstream Communications LLC	`12.66ms` from Atlanta, US
187.152.146.56	AS8151 UNINET	`16.06ms` from Cancún, MX
123.29.0.184	AS45899 VNPT Corp	`0.53ms` from Da Nang, VN
88.224.51.168	AS9121 Turk Telekomunikasyon Anonim Sirketi	`12.45ms` from Istanbul, TR
146.179.93.8	AS786 Jisc Services Limited	`1.15ms` from London, GB
96.42.90.8	AS20115 Charter Communications LLC	`10.82ms` from Minneapolis, US
115.220.41.40	AS4134 CHINANET-BACKBONE	`10.93ms` from Ningbo, CN
147.192.213.104	AS2527 Sony Network Communications Inc.	`3.09ms` from Osaka, JP
27.236.27.56	AS4766 Korea Telecom	`8.50ms` from Seoul, KR
52.146.18.200	AS8075 Microsoft Corporation	`0.70ms` from Ashburn, US
173.93.254.56	AS11426 Charter Communications Inc	`12.89ms` from Charlotte, US
211.118.126.216	AS3786 LG DACOM Corporation	`2.83ms` from Incheon, KR
62.49.76.184	AS5378 Vodafone Limited	`3.18ms` from London, GB
181.131.144.120	AS13489 UNE EPM TELECOMUNICACIONES S.A.	`13.00ms` from Medellin, CO
165.85.27.184	AS394089 Google LLC	`0.89ms` from Milan, IT
112.26.102.56	AS9808 China Mobile Communications Group Co., Ltd.	`8.76ms` from Nanjing, CN
37.193.50.56	AS31200 Novotelecom Ltd	`1.32ms` from Novosibirsk, RU
100.50.194.232	AS14618 Amazon.com, Inc.	`0.18ms` from Reston, US
191.254.132.104	AS27699 TELEFÔNICA BRASIL S.A	`4.04ms` from Sao Paulo, BR
211.40.212.8	AS3786 LG DACOM Corporation	`6.33ms` from Seoul, KR
13.51.47.120	AS16509 Amazon.com, Inc.	`0.11ms` from Stockholm, SE
60.70.69.152	AS17676 SoftBank Corp.	`3.22ms` from Tokyo, JP
119.97.166.104	AS138982 Hubei Jiangxia IDC	`1.62ms` from Wuhan, CN
123.55.141.152	AS4134 CHINANET-BACKBONE	`7.72ms` from Zhengzhou, CN
186.23.73.104	AS27747 Telecentro S.A.	`5.27ms` from Buenos Aires, AR

Traceroute

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

traceroute -a -n -q1 -m9 221.154.82.168

traceroute to 221.154.82.168 (221.154.82.168): 9 hops max, 52 byte packets

1 [AS15169] 74.125.251.95 72.242 ms

2 *

3 [AS4766] 112.174.84.53 198.784 ms

4 [AS4766] 112.174.49.150 211.639 ms

5 *

6 [AS4766] 121.172.172.62 205.118 ms

7 *

8 *

9 *

Measurement taken from

IPinfo ProbeNet in Singapore, SG

On March 20th 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.

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