121.191.150.0/24

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	121.191.150.0-121.191.150.255

WHOIS Details

inetnum:            121.191.150.0 - 121.191.150.255
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 121.191.150.0/24

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
121.191.151.0/24	AS4766	Jungwondaehakgyo	256
121.191.152.0/24	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

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

IP Address	ASN	Details
121.191.150.105	AS4766 Korea Telecom	`3.78ms` 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
52.215.169.200	AS16509 Amazon.com, Inc.	`0.18ms` from Dublin, IE
91.13.235.152	AS3320 Deutsche Telekom AG	`5.52ms` from Duesseldorf, DE
119.247.245.120	AS9269 Hong Kong Broadband Network Ltd.	`1.02ms` from Hong Kong, HK
180.243.175.8	AS7713 PT Telekomunikasi Indonesia	`2.78ms` from Jakarta, ID
77.228.43.88	AS12430 VODAFONE ESPANA S.A.U.	`1.96ms` from Madrid, ES
219.117.42.168	AS18126 Chubu Telecommunications Company, Inc.	`2.83ms` from Osaka, JP
67.248.88.8	AS11351 Charter Communications Inc	`10.90ms` from Piscataway, US
220.123.158.40	AS4766 Korea Telecom	`3.99ms` from Seoul, KR
124.221.80.216	AS45090 Shenzhen Tencent Computer Systems Company Limited	`1.53ms` from Shanghai, CN
13.215.253.120	AS16509 Amazon.com, Inc.	`0.13ms` from Singapore, SG
72.176.58.200	AS11427 Charter Communications Inc	`7.33ms` from Dallas, US
216.150.38.152	AS13959 Autophone of Laredo	`17.02ms` from Dallas, US
93.200.2.136	AS3320 Deutsche Telekom AG	`3.34ms` from Frankfurt am Main, DE
82.41.40.8	AS213460 SIMPLE COMMUNICATIONS LIMITED	`6.96ms` from London, GB
163.123.85.40	AS11232 Midcontinent Communications	`12.37ms` from Minneapolis, US
146.56.216.88	AS45090 Shenzhen Tencent Computer Systems Company Limited	`0.17ms` from Nanjing, CN
92.158.235.216	AS3215 Orange S.A.	`11.18ms` from Paris, FR
176.175.0.120	AS5410 Bouygues Telecom SA	`13.32ms` from Paris, FR
24.6.88.8	AS7922 Comcast Cable Communications, LLC	`7.90ms` from San Jose, US
201.133.204.8	AS8151 UNINET	`3.86ms` from Santiago de Queretaro, MX
222.237.253.184	AS9318 SK Broadband Co Ltd	`1.03ms` from Seoul, KR
124.70.221.56	AS55990 Huawei Cloud Service data center	`2.91ms` from Suzhou, CN
72.204.78.72	AS22773 Cox Communications Inc.	`9.62ms` from Tulsa, US
161.189.237.184	AS135629 Ningxia West Cloud Data Technology Co.Ltd.	`0.54ms` from Zhongwei, CN
214.81.141.200	AS5972 United States Department of Defense (DoD)	`4.56ms` from Ashburn, US

Traceroute

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

traceroute -a -n -q1 121.191.150.105

traceroute to 121.191.150.105 (121.191.150.105): 64 hops max, 52 byte packets

1 [AS31898] 140.91.214.47 0.108 ms

2 [AS4766] 218.145.32.254 0.936 ms

3 *

4 *

5 [AS4766] 112.174.56.74 3.709 ms

6 [AS4766] 112.188.195.50 4.537 ms

7 *

8 [AS4766] 121.188.79.158 5.924 ms

9 [AS4766] 121.191.149.2 5.018 ms

10 [AS4766] 121.191.149.10 5.394 ms

11 *

12 [AS4766] 121.191.150.105 5.302 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.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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