121.191.152.0/24

AS4766 · Korea Telecom

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Summary

Country	South Korea
Domain	kt.com
ASN	AS4766
Parent Range	121.160.0.0/11
Registry	KRNIC
ID	121.191.152.0-121.191.152.255

WHOIS Details

inetnum:            121.191.152.0 - 121.191.152.255
descr:              Jungwondaehakgyo
network-type:       CUSTOMER
address:            Goesan-Eup Goesan-Gun Chungcheongbuk-Do
zip-code:           367-800
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:             [email protected]
source:             KRNIC

Overlapping Ranges

BGP prefixes that contain 121.191.152.0/24

Range	ASN	Company	Num of IPs
121.160.0.0/11	AS23582	Korea Telecom	2,097,152
121.160.0.0/11	AS38089	Korea Telecom	2,097,152
121.160.0.0/11	AS4766	Korea Telecom	2,097,152

Nearby Ranges

BGP prefixes that overlap with 121.191.0.0/16

Range	ASN	Company	Num of IPs
121.160.0.0/11	AS23582	Korea Telecom	2,097,152
121.160.0.0/11	AS38089	Korea Telecom	2,097,152
121.160.0.0/11	AS4766	Korea Telecom	2,097,152
121.191.149.0/24	AS4766	Jungwondaehakgyo	256
121.191.150.0/24	AS4766	Jungwondaehakgyo	256
121.191.151.0/24	AS4766	Jungwondaehakgyo	256
121.191.166.0/24	AS4766	Chungbukbonbujang	256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

Read more

Pingable IPs

2 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
121.191.152.64	AS4766 Korea Telecom	`4.55ms` from Seoul, KR

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
20.103.253.152	AS8075 Microsoft Corporation	`0.31ms` from Amsterdam, NL
15.240.10.8	AS16509 Amazon.com, Inc.	`0.10ms` from Cape Town, ZA
115.198.247.248	AS4134 CHINANET-BACKBONE	`6.30ms` from Hangzhou, CN
154.201.138.120	AS132839 POWER LINE DATACENTER	`0.52ms` from Hong Kong, HK
210.177.133.168	AS4515 PCCW IMS Ltd (PCCW Business Internet Access)	`1.14ms` from Hong Kong, HK
31.180.153.104	AS12389 PJSC Rostelecom	`18.76ms` from Moscow, RU
44.209.253.152	AS14618 Amazon.com, Inc.	`0.16ms` from Reston, US
195.31.119.248	AS3269 Telecom Italia S.p.A.	`1.71ms` from Rome, IT
67.191.228.232	AS7922 Comcast Cable Communications, LLC	`4.65ms` from Atlanta, US
101.21.251.120	AS4837 CHINA UNICOM China169 Backbone	`9.68ms` from Beijing, CN
173.175.87.8	AS11427 Charter Communications Inc	`12.72ms` from Houston, US
37.53.152.136	AS6849 JSC "Ukrtelecom"	`4.67ms` from Kyiv, UA
72.238.126.72	AS33363 Charter Communications, Inc	`10.34ms` from Orlando, US
78.27.66.232	AS16086 DNA Oyj	`0.60ms` from Oulu, FI
54.221.180.248	AS14618 Amazon.com, Inc.	`0.23ms` from Reston, US
121.185.125.152	AS4766 Korea Telecom	`4.72ms` from Seoul, KR
99.228.89.72	AS812 Rogers Communications Canada Inc.	`4.88ms` from Toronto, CA
93.157.114.24	AS35007 Miconet Sp. z o.o.	`3.75ms` from Wrocław, PL
207.65.62.24	AS132847 Network Solutions Group Pty Ltd	`0.54ms` from Brisbane, AU
181.3.182.152	AS7303 Telecom Argentina S.A.	`10.58ms` from Buenos Aires, AR
34.80.239.40	AS396982 Google LLC	`0.13ms` from Chang-hua, TW
166.180.254.88	AS6167 Verizon Business	`16.55ms` from Chicago, US
98.53.151.216	AS7922 Comcast Cable Communications, LLC	`2.74ms` from Denver, US
72.178.56.152	AS11427 Charter Communications Inc	`18.66ms` from Houston, US
31.52.147.248	AS2856 British Telecommunications PLC	`2.79ms` from London, GB

Traceroute

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

traceroute -a -n -q1 -f7 121.191.152.64

traceroute to 121.191.152.64 (121.191.152.64): 64 hops max, 52 byte packets

7 [AS4766] 112.174.56.78 4.086 ms

8 [AS4766] 112.188.195.50 4.59 ms

9 *

10 [AS4766] 121.188.79.158 6.241 ms

11 [AS4766] 121.191.149.2 5.178 ms

12 [AS4766] 121.191.149.10 6.047 ms

13 [AS4766] 121.191.152.64 5.611 ms

Measurement taken from

IPinfo ProbeNet in Seoul, KR

On December 6th 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.

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