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:             [email protected]
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

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	`3.02ms` 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
85.74.100.56	AS6799 Ote SA (Hellenic Telecommunications Organisation)	`1.26ms` from Athens, GR
158.193.156.168	AS2607 Zdruzenie pouzivatelov Slovenskej akademickej datovej siete SANET	`3.45ms` from Bratislava, SK
180.216.211.8	AS4804 Microplex PTY LTD	`15.99ms` from Brisbane, AU
92.150.56.72	AS3215 Orange S.A.	`3.43ms` from Marseille, FR
115.96.185.24	AS17488 Hathway IP Over Cable Internet	`1.69ms` from Saint Thomas Mount, IN
110.149.156.120	AS1221 Telstra Limited	`14.17ms` from Sydney, AU
182.168.216.24	AS2527 Sony Network Communications Inc.	`3.82ms` from Tokyo, JP
92.96.91.56	AS5384 Emirates Internet	`9.12ms` from Al Fujairah City, AE
66.189.62.248	AS20115 Charter Communications LLC	`11.91ms` from Ashburn, US
84.201.116.104	AS8879 DTS Systeme GmbH	`6.20ms` from Berlin, DE
185.54.253.8	AS8449 "ElCat" Ltd.	`0.59ms` from Bishkek, KG
59.45.93.8	AS137688 CHINATELECOM Liaoning Benxi MAN	`8.81ms` from Dalian, CN
87.4.190.104	AS3269 Telecom Italia S.p.A.	`4.15ms` from Milan, IT
203.132.90.40	AS38195 Superloop	`1.14ms` from Perth, AU
3.217.100.120	AS14618 Amazon.com, Inc.	`0.17ms` from Reston, US
23.33.156.88	AS16625 Akamai Technologies, Inc.	`0.08ms` from Santiago, CL
175.199.55.136	AS4766 Korea Telecom	`6.79ms` from Seoul, KR
180.69.30.136	AS9318 SK Broadband Co Ltd	`1.91ms` from Seoul, KR
128.245.112.40	AS14340 Salesforce.com, Inc.	`12.43ms` from Ashburn, US
156.254.143.232	AS142286 LUOGELANG (FRANCE) LIMITED	`1.19ms` from Hong Kong, HK
167.98.82.88	AS25180 Exponential-E Ltd.	`0.94ms` from London, GB
88.18.15.184	AS3352 TELEFONICA DE ESPANA S.A.U.	`5.40ms` from Madrid, ES
90.119.118.248	AS3215 Orange S.A.	`4.83ms` from Marseille, FR
80.116.114.40	AS3269 Telecom Italia S.p.A.	`8.26ms` from Milan, IT
88.189.28.200	AS12322 Free SAS	`18.80ms` from Paris, FR

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] 140.91.214.29 0.074 ms

2 *

3 *

4 *

5 [AS4766] 112.174.63.194 3.138 ms

6 [AS4766] 112.188.195.26 3.654 ms

7 *

8 [AS4766] 121.188.79.158 3.778 ms

9 [AS4766] 121.191.149.4 3.321 ms

Measurement taken from

IPinfo ProbeNet in Seoul, KR

On December 20th 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.

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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