121.100.96.0/21

AS18334 · Gyounggidongbu cable tv co., Ltd.

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Summary

Country	South Korea
Domain	dotnamekorea.com
ASN	AS18334
Registry	KRNIC
ID	121.100.96.0-121.100.99.255

WHOIS Details

inetnum:            121.100.96.0 - 121.100.99.255
descr:              Gyounggidongbu cable tv co., Ltd.
network-type:       CUSTOMER
address:            Gyeonggi-do Namyangju-si Gyeongchun-ro 1298
zip-code:           12218
created:            2016-07-25
admin:              GENERATED-KRNIC-IP-MANAGER-NOC
country:            KR
source:             KRNIC

nic-hdl:            GENERATED-KRNIC-IP-MANAGER-NOC
person:             IP Manager
name:               IP Manager
phone:              +82-31-266-5896
e-mail:             noc@dotnamekorea.com
source:             KRNIC

Nearby Ranges

BGP prefixes that overlap with 121.100.0.0/16

Range	ASN	Company	Num of IPs
121.100.32.0/20	AS38258	Asia Network for Sony companies, subsidiaries,	4,096
121.100.0.0/21	AS38158	PT. Cyberindo Aditama	2,048
121.100.48.0/21	AS38742	Afghan Wireless Communication Company	2,048
121.100.88.0/21	AS18334	Gyounggidongbu cable tv co., Ltd.	2,048
121.100.8.0/21	AS23776	NEC Corporation	2,048
121.100.120.0/22	AS10036	DLIVE Gyeongdogn Cable TV	1,024
121.100.68.0/22	AS10036	Gyounggidongbu cable tv co., Ltd.	1,024
121.100.124.0/22	AS18334	Gyounggidongbu cable tv co., Ltd.	1,024
121.100.16.0/22	AS9341	PT Indonesia Comnets Plus	1,024
121.100.22.0/23	AS9341	PT Indonesia Comnets Plus	512

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

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

IP Address	ASN	Details
121.100.100.76	AS18334 Gyounggidongbu cable tv co., Ltd.	`2.31ms` from Seoul, KR
121.100.98.108	AS18334 Gyounggidongbu cable tv co., Ltd.	`2.46ms` from Seoul, KR
121.100.102.219	AS18334 Gyounggidongbu cable tv co., Ltd.	`2.39ms` from Seoul, KR
121.100.96.1	AS18334 Gyounggidongbu cable tv co., Ltd.	`2.29ms` from Seoul, KR
121.100.99.159	AS18334 Gyounggidongbu cable tv co., Ltd.	`2.59ms` from Seoul, KR
121.100.101.51	AS18334 Gyounggidongbu cable tv co., Ltd.	`2.30ms` from Seoul, KR
121.100.97.1	AS18334 Gyounggidongbu cable tv co., Ltd.	`2.39ms` 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
85.75.10.213	AS6799 Ote SA (Hellenic Telecommunications Organisation)	`1.09ms` from Athens, GR
137.27.51.213	AS20115 Charter Communications LLC	`16.08ms` from Atlanta, US
190.145.68.165	AS14080 Telmex Colombia S.A.	`1.56ms` from Bogota, CO
176.91.146.165	AS16135 Turkcell A.S.	`16.77ms` from Bursa, TR
154.177.117.245	AS8452 TE-AS	`14.40ms` from Cairo, EG
63.45.185.245	AS6167 Verizon Business	`19.63ms` from Chicago, US
84.186.216.197	AS3320 Deutsche Telekom AG	`9.43ms` from Frankfurt am Main, DE
148.153.24.213	AS63199 CDS Global Cloud Co., Ltd	`0.46ms` from Frankfurt am Main, DE
147.62.224.5	AS197039 Nomura International Plc	`3.08ms` from London, GB
208.115.53.197	AS13649 Flexential Colorado Corp.	`1.19ms` from Miami, US
153.142.43.165	AS4713 NTT DOCOMO BUSINESS,Inc.	`4.86ms` from Osaka, JP
195.160.189.69	AS35665 Netensia SARL	`0.97ms` from Paris, FR
98.179.90.181	AS22773 Cox Communications Inc.	`5.30ms` from Phoenix, US
179.135.243.101	AS26599 TELEFÔNICA BRASIL S.A	`1.56ms` from Sao Paulo, BR
122.225.21.5	AS4134 CHINANET-BACKBONE	`6.59ms` from Shanghai, CN
212.233.201.197	AS29582 Optisprint OOD	`3.21ms` from Sofia, BG
220.150.130.133	AS4685 Asahi Net	`2.77ms` from Tokyo, JP
89.228.183.53	AS21021 Multimedia Polska Sp. z o.o.	`9.84ms` from Warsaw, PL
123.12.106.197	AS4837 CHINA UNICOM China169 Backbone	`4.05ms` from Zhengzhou, CN
104.193.9.117	AS25820 IT7 Networks Inc	`0.29ms` from Amsterdam, NL
12.238.28.5	AS7018 AT&T Enterprises, LLC	`5.86ms` from Atlanta, US
110.77.200.101	AS131090 National Telecom Public Company Limited	`5.70ms` from Bangkok, TH
222.243.55.53	AS63838 Hengyang	`5.41ms` from Chenzhou, CN
199.89.10.85	AS399559 Alpine Communications L.C.	`8.35ms` from Des Moines, US
189.162.80.197	AS8151 UNINET	`4.20ms` from Guadalajara, MX

Traceroute

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

traceroute -a -n -q1 121.100.97.1

traceroute to 121.100.97.1 (121.100.97.1): 64 hops max, 52 byte packets

1 [AS202422] 92.38.135.3 0.225 ms

2 *

3 *

4 *

5 [] 139.150.100.82 1.169 ms

6 *

7 *

8 *

9 *

10 [AS18334] 121.100.97.1 2.376 ms

Measurement taken from

IPinfo ProbeNet in Seoul, KR

On January 19th 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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