121.191.149.0/24

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	121.191.149.0-121.191.149.255

WHOIS Details

inetnum:            121.191.149.0 - 121.191.149.255
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 121.191.149.0/24

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
121.191.150.0/24	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 is 1 domain name hosted across 1 IP address on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
121.191.149.192	jwu.ac.kr	1

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

Read more

Pingable IPs

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

IP Address	ASN	Details
121.191.149.4	AS4766 Korea Telecom	`3.01ms` 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
139.144.189.88	AS63949 Akamai Connected Cloud	`0.39ms` from Atlanta, US
201.66.11.72	AS8167 V tal	`1.22ms` from Curitiba, BR
104.6.214.216	AS7018 AT&T Enterprises, LLC	`3.07ms` from Dallas, US
59.183.155.168	AS9829 National Internet Backbone	`8.06ms` from Delhi, IN
40.69.148.168	AS8075 Microsoft Corporation	`0.18ms` from Des Moines, US
103.121.178.8	AS141778 Dream Internet Services Pvt Ltd	`0.45ms` from Islamabad, PK
176.194.252.168	AS12714 PJSC MegaFon	`9.98ms` from Moscow, RU
142.105.49.184	AS12271 Charter Communications Inc	`4.36ms` from New York City, US
116.222.10.72	AS9824 JCOM Co., Ltd.	`10.92ms` from Osaka, JP
76.206.194.184	AS7018 AT&T Enterprises, LLC	`18.49ms` from San Jose, US
67.241.43.24	AS11351 Charter Communications Inc	`18.68ms` from Secaucus, US
194.118.138.200	AS8447 A1 Telekom Austria AG	`7.28ms` from Vienna, AT
78.11.253.168	AS12741 Netia SA	`0.15ms` from Warsaw, PL
145.107.39.24	AS1103 SURF B.V.	`2.80ms` from Amsterdam, NL
107.21.235.152	AS14618 Amazon.com, Inc.	`0.52ms` from Ashburn, US
46.103.64.152	AS3329 VODAFONE-PANAFON HELLENIC TELECOMMUNICATIONS COMPANY SA	`1.13ms` from Athens, GR
134.166.88.232	AS668 United States Department of Defense (DoD)	`0.62ms` from Atlanta, US
14.105.63.248	AS4134 CHINANET-BACKBONE	`1.84ms` from Chongqing, CN
162.159.115.24	AS13335 Cloudflare, Inc.	`0.37ms` from Columbus, US
82.130.28.120	AS39857 Aalto University Student Union	`0.78ms` from Helsinki, FI
140.245.242.168	AS31898 Oracle Corporation	`0.16ms` from Hyderabad, IN
186.218.233.8	AS28573 Claro NXT Telecomunicacoes Ltda	`14.43ms` from Joao Pessoa, BR
37.186.164.8	AS20811 Retelit Digital Services S.p.A.	`5.16ms` from Milan, IT
39.78.21.72	AS4837 CHINA UNICOM China169 Backbone	`5.62ms` from Qingdao, CN
185.40.47.248	AS62319 Itm8 A/S	`0.92ms` from Skanderborg, DK

Traceroute

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

traceroute -a -n -q1 121.191.149.4

traceroute to 121.191.149.4 (121.191.149.4): 64 hops max, 52 byte packets

1 [AS31898] 140.91.214.45 0.08 ms

2 *

3 *

4 *

5 [AS4766] 112.174.63.194 3.138 ms

6 [AS4766] 112.188.195.26 2.796 ms

7 *

8 [AS4766] 121.188.79.158 5.598 ms

9 [AS4766] 121.191.149.4 3.169 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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