221.147.54.0/24

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	221.147.54.0-221.147.54.255

WHOIS Details

inetnum:            221.147.54.0 - 221.147.54.255
descr:              Seongmobyeongwon
network-type:       CUSTOMER
address:            Yeouido-Dong Yeongdeungpo-Gu Seoulteukbyeol-Si
zip-code:           150-010
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 221.147.54.0/24

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 221.147.0.0/16

Range	ASN	Company	Num of IPs
221.144.0.0/12	AS9856	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	AS152214	Korea Telecom	1,048,576
221.147.52.0/24	AS4766	Seongmobyeongwon	256
221.147.101.0/24	AS9850	(ju)waitibi	256
221.147.55.0/24	AS4766	Seongmobyeongwon	256
221.147.83.0/24	AS9526	(ju)koseu	256
221.147.53.0/24	AS4766	Seongmobyeongwon	256
221.147.51.0/24	AS4766	Seongmobyeongwon	256

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

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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
36.78.198.104	AS7713 PT Telekomunikasi Indonesia	`1.79ms` from Batam, ID
194.176.227.24	AS5483 Magyar Telekom Plc.	`5.37ms` from Budapest, HU
101.99.60.136	AS45903 CMC Telecom Infrastructure Company	`11.21ms` from Hanoi, VN
207.134.182.248	AS852 TELUS Communications Inc.	`4.99ms` from Montreal, CA
205.186.130.120	AS398101 GoDaddy.com, LLC	`1.48ms` from Phoenix, US
54.145.156.56	AS14618 Amazon.com, Inc.	`0.20ms` from Reston, US
84.212.127.88	AS25400 Telia Norge AS	`8.36ms` from Sandefjord, NO
112.170.90.24	AS4766 Korea Telecom	`3.58ms` from Seoul, KR
59.28.240.184	AS4766 Korea Telecom	`7.87ms` from Seoul, KR
220.72.63.136	AS4766 Korea Telecom	`1.41ms` from Seoul, KR
125.149.21.136	AS4766 Korea Telecom	`2.72ms` from Seoul, KR
210.28.203.40	AS4538 China Education and Research Network Center	`10.58ms` from Shanghai, CN
119.136.3.8	AS4134 CHINANET-BACKBONE	`2.36ms` from Shenzhen, CN
24.141.189.232	AS7992 Cogeco Connexion Inc.	`9.87ms` from Toronto, CA
88.206.27.40	AS8369 Intersvyaz-2 JSC	`3.67ms` from Yekaterinburg, RU
173.22.203.248	AS30036 Mediacom Communications Corp	`18.11ms` from Atlanta, US
119.52.139.216	AS4837 CHINA UNICOM China169 Backbone	`4.87ms` from Changchun, CN
14.228.231.8	AS45899 VNPT Corp	`5.24ms` from Hanoi, VN
61.167.147.56	AS4837 CHINA UNICOM China169 Backbone	`3.73ms` from Harbin, CN
51.11.13.136	AS8075 Microsoft Corporation	`0.23ms` from London, GB
15.254.31.56	AS16509 Amazon.com, Inc.	`0.14ms` from Los Angeles, US
95.32.37.232	AS12389 PJSC Rostelecom	`8.72ms` from Moscow, RU
20.192.176.88	AS8075 Microsoft Corporation	`13.48ms` from Mumbai, IN
119.25.137.200	AS9617 JCOM Co., Ltd.	`8.73ms` from Osaka, JP
124.167.129.56	AS4837 CHINA UNICOM China169 Backbone	`6.48ms` from Taiyuan, CN

Traceroute

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

traceroute -a -n -q1 -f2 -m10 221.147.54.86

traceroute to 221.147.54.86 (221.147.54.86): 10 hops max, 52 byte packets

2 [AS3257] 76.74.24.18 0.573 ms

3 [AS3257] 89.149.187.102 45.628 ms

4 [AS3257] 76.74.48.138 44.809 ms

5 [AS4766] 112.174.87.17 174.357 ms

6 [AS4766] 112.174.86.201 177.977 ms

7 [AS4766] 112.174.48.14 183.599 ms

8 *

9 *

10 *

Measurement taken from

IPinfo ProbeNet in Atlanta, US

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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