221.154.85.0/24

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	221.154.85.0-221.154.85.255

WHOIS Details

inetnum:            221.154.85.0 - 221.154.85.255
descr:              Inhagongeopjeonmundaehak
network-type:       CUSTOMER
address:            Yonghyeon-Dong Michuhol-Gu Incheongwangyeok-Si
zip-code:           402020
created:            2018-09-12
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:             [email protected]
source:             KRNIC

Overlapping Ranges

BGP prefixes that contain 221.154.85.0/24

Range	ASN	Company	Num of IPs
221.144.0.0/12	AS131842	Korea Telecom	1,048,576
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	AS131842	Korea Telecom	1,048,576
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
221.154.83.0/24	AS4766	Inhagongeopjeonmundaehak	256
221.154.84.0/24	AS4766	Inhagongeopjeonmundaehak	256
221.154.86.0/24	AS4766	Inhagongeopjeonmundaehak	256
221.154.87.0/24	AS4766	Inhagongeopjeonmundaehak	256
221.154.88.0/24	AS4766	Inhagongeopjeonmundaehak	256
221.154.89.0/24	AS4766	Inhagongeopjeonmundaehak	256
221.154.90.0/24	AS4766	Inhagongeopjeonmundaehak	256
221.154.82.0/24	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
138.97.180.184	AS264206 Mixconect Telecom Ltda ME	`5.66ms` from Curitiba, BR
37.102.28.232	AS1267 WIND TRE S.P.A.	`13.18ms` from Frosinone, IT
79.10.14.56	AS3269 Telecom Italia S.p.A.	`4.36ms` from Milan, IT
112.31.114.72	AS9808 China Mobile Communications Group Co., Ltd.	`8.00ms` from Nanjing, CN
40.78.111.200	AS8075 Microsoft Corporation	`0.56ms` from San Jose, US
203.245.30.216	AS4766 Korea Telecom	`0.94ms` from Seoul, KR
183.194.213.24	AS9808 China Mobile Communications Group Co., Ltd.	`3.46ms` from Shanghai, CN
116.86.62.40	AS55430 Starhub Ltd	`1.40ms` from Singapore, SG
66.168.206.24	AS20115 Charter Communications LLC	`4.26ms` from Atlanta, US
154.52.38.200	AS174 Cogent Communications, LLC	`0.18ms` from Brussels, BE
84.251.208.136	AS1759 Telia Finland Oyj	`4.37ms` from Helsinki, FI
27.100.236.216	AS9946 KCTV JEJU BROADCASTING	`9.57ms` from Incheon, KR
77.226.87.24	AS12430 VODAFONE ESPANA S.A.U.	`1.32ms` from Madrid, ES
158.222.156.8	AS12271 Charter Communications Inc	`5.04ms` from New York City, US
97.103.151.248	AS33363 Charter Communications, Inc	`10.60ms` from Orlando, US
27.223.37.232	AS4837 CHINA UNICOM China169 Backbone	`2.31ms` from Qingdao, CN
114.164.111.120	AS4713 NTT DOCOMO BUSINESS,Inc.	`3.55ms` from Tokyo, JP
216.58.36.104	AS11814 Distributel Communications Limited	`5.91ms` from Toronto, CA
179.126.116.168	AS53006 ALGAR TELECOM S/A	`6.34ms` from Uberlandia, BR
82.141.182.184	AS12301 Invitech ICT Services Kft.	`0.51ms` from Budapest, HU
173.91.144.56	AS10796 Charter Communications Inc	`10.87ms` from Columbus, US
104.184.117.24	AS7018 AT&T Enterprises, LLC	`2.36ms` from Dallas, US
99.14.145.56	AS7018 AT&T Enterprises, LLC	`2.62ms` from Durham, US
185.111.37.136	AS44735 Nova hf	`1.33ms` from Hafnarfjoerdur, IS
39.100.211.24	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`4.36ms` from Jining, CN

Traceroute

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

traceroute -a -n -q1 -m10 221.154.85.61

traceroute to 221.154.85.61 (221.154.85.61): 10 hops max, 52 byte packets

1 [AS15169] 64.233.174.23 108.233 ms

2 *

3 [AS4766] 112.174.80.57 137.177 ms

4 [AS4766] 112.174.86.217 148.661 ms

5 [AS4766] 112.174.47.142 143.428 ms

6 *

7 [AS4766] 121.172.172.62 145.119 ms

8 *

9 *

10 *

Measurement taken from

IPinfo ProbeNet in Delhi, IN

On January 19th 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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