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:             kornet_ip@kt.com
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

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Pingable IPs

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

IP Address	ASN	Details
121.191.152.249	AS4766 Korea Telecom	`3.81ms` 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
66.114.8.40	AS26894 Northwest Ohio Area Computer Services Cooperative	`3.40ms` from Columbus, US
18.99.162.24	AS16509 Amazon.com, Inc.	`1.48ms` from Hyderabad, IN
192.82.39.40	AS40232 Mid-States Services, LLC.	`3.41ms` from Kansas City, US
90.220.47.56	AS5607 Sky UK Limited	`5.62ms` from London, GB
104.166.78.40	AS46261 QuickPacket, LLC	`0.64ms` from Los Angeles, US
80.59.216.248	AS3352 TELEFONICA DE ESPANA S.A.U.	`6.13ms` from Madrid, ES
37.103.47.216	AS1267 WIND TRE S.P.A.	`5.01ms` from Milan, IT
212.232.59.200	AS197078 Yarnet Ltd	`5.65ms` from Moscow, RU
65.1.214.88	AS16509 Amazon.com, Inc.	`0.10ms` from Mumbai, IN
70.15.122.56	AS3737 PenTeleData Inc.	`11.61ms` from Philadelphia, US
61.1.131.200	AS9829 National Internet Backbone	`19.43ms` from Saint Thomas Mount, IN
189.242.179.88	AS8151 UNINET	`5.35ms` from Santiago de Queretaro, MX
67.183.245.168	AS7922 Comcast Cable Communications, LLC	`7.49ms` from Seattle, US
18.142.13.120	AS16509 Amazon.com, Inc.	`0.14ms` from Singapore, SG
210.188.169.56	AS2516 KDDI CORPORATION	`2.02ms` from Tokyo, JP
61.168.75.24	AS4837 CHINA UNICOM China169 Backbone	`3.31ms` from Zhengzhou, CN
92.106.190.120	AS3303 Swisscom (Switzerland) Ltd	`1.82ms` from Zuerich, CH
72.218.207.56	AS22773 Cox Communications Inc.	`9.36ms` from Ashburn, US
219.83.76.200	AS136907 HUAWEI CLOUDS	`2.77ms` from Mexico City, MX
185.58.52.88	AS31543 myNet GmbH	`6.92ms` from Milan, IT
24.49.253.232	AS11290 Cogeco Connexion inc	`5.12ms` from Montreal, CA
193.206.220.24	AS137 Consortium GARR	`4.53ms` from Rome, IT
94.43.168.88	AS35805 JSC Silknet	`0.94ms` from Tbilisi, GE
60.97.37.24	AS17676 SoftBank Corp.	`3.22ms` from Tokyo, JP
14.3.85.56	AS4685 Asahi Net	`5.38ms` from Tokyo, JP

Traceroute

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

traceroute -a -n -q1 121.191.152.249

traceroute to 121.191.152.249 (121.191.152.249): 64 hops max, 52 byte packets

1 [AS31898] 140.91.214.46 0.074 ms

2 [AS4766] 218.145.32.254 28.25 ms

3 *

4 *

5 [AS4766] 112.174.63.202 3.565 ms

6 [AS4766] 112.188.195.22 3.625 ms

7 *

8 [AS4766] 121.188.79.158 5.924 ms

9 [AS4766] 121.191.149.2 4.417 ms

10 [AS4766] 121.191.149.10 4.822 ms

11 *

12 [AS4766] 121.191.152.249 5.053 ms

Measurement taken from

IPinfo ProbeNet in Seoul, KR

On March 21st 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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