210.121.96.0/21

AS45374 · CCS

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Summary

Country	South Korea
Domain	ccsdirect.net
ASN	AS45374
Parent Range	210.121.0.0/17
Registry	KRNIC
ID	210.121.96.0-210.121.99.255

WHOIS Details

inetnum:            210.121.96.0 - 210.121.99.255
descr:              CCS
network-type:       CUSTOMER
address:            Yongsan-dong Chungju-si Chungcheongbuk-do
zip-code:           27399
created:            2003-09-06
admin:              GENERATED-KRNIC-IP-MANAGER-HANGK21
country:            KR
source:             KRNIC

nic-hdl:            GENERATED-KRNIC-IP-MANAGER-HANGK21
person:             IP Manager
name:               IP Manager
phone:              +82-43-850-7059
e-mail:             [email protected]
source:             KRNIC

Overlapping Ranges

BGP prefixes that contain 210.121.96.0/21

Range	ASN	Company	Num of IPs
210.121.0.0/17	AS45374	SEJONG NETWORKS	32,768
210.121.0.0/17	AS9848	SEJONG NETWORKS	32,768

Nearby Ranges

BGP prefixes that overlap with 210.121.0.0/16

Range	ASN	Company	Num of IPs
210.121.128.0/17	AS10058	Korea Telecom	32,768
210.121.128.0/17	AS152290	Korea Telecom	32,768
210.121.128.0/17	AS18176	Korea Telecom	32,768
210.121.128.0/17	AS38676	Korea Telecom	32,768
210.121.0.0/17	AS45374	SEJONG NETWORKS	32,768
210.121.128.0/17	AS4766	Korea Telecom	32,768
210.121.128.0/17	AS55627	Korea Telecom	32,768
210.121.0.0/17	AS9848	SEJONG NETWORKS	32,768

Hosted domains

There are no domains currently hosted on this ASN.

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

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

IP Address	ASN	Details
210.121.101.1	AS45374 CCS	`5.51ms` from Incheon, KR
210.121.99.35	AS45374 CCS	`5.18ms` from Incheon, KR
210.121.97.1	AS45374 CCS	`4.11ms` from Incheon, KR
210.121.98.1	AS45374 CCS	`4.54ms` from Seoul, KR
210.121.96.1	AS45374 CCS	`4.91ms` from Seoul, KR
210.121.103.83	AS45374 CCS	`3.49ms` from Incheon, KR
210.121.102.50	AS45374 CCS	`4.78ms` from Incheon, KR
210.121.100.75	AS45374 CCS	`5.19ms` from Incheon, 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
193.172.58.85	AS1136 KPN B.V.	`0.47ms` from Amsterdam, NL
185.164.105.69	AS64443 Sky Waves SARL	`4.32ms` from Beirut, LB
104.50.49.5	AS7018 AT&T Enterprises, LLC	`9.80ms` from Chicago, US
136.114.106.197	AS396982 Google LLC	`0.10ms` from Council Bluffs, US
102.119.253.229	AS23889 Mauritius Telecom Ltd	`3.30ms` from Ebene, MU
217.119.137.85	AS59395 Southern Communications Ltd	`0.38ms` from London, GB
76.171.213.213	AS20001 Charter Communications Inc	`7.52ms` from Los Angeles, US
95.16.139.133	AS12479 Orange Espagne SA	`5.48ms` from Madrid, ES
185.105.170.53	AS197204 TeleMaks Ltd	`19.56ms` from Moscow, RU
207.86.156.69	AS2828 Verizon Business	`10.62ms` from New York City, US
180.51.228.229	AS4713 NTT DOCOMO BUSINESS,Inc.	`11.58ms` from Osaka, JP
112.246.194.101	AS4837 CHINA UNICOM China169 Backbone	`6.25ms` from Qingdao, CN
173.228.114.53	AS46375 Sonic Telecom LLC	`2.58ms` from San Jose, US
52.239.162.5	AS8075 Microsoft Corporation	`0.72ms` from San Jose, US
34.79.27.213	AS396982 Google LLC	`0.15ms` from Brussels, BE
220.170.199.229	AS4134 CHINANET-BACKBONE	`4.69ms` from Changsha, CN
129.109.255.245	AS14373 University of Texas Medical Branch	`5.47ms` from Dallas, US
198.136.149.5	AS7381 BroadbandONE, LLC	`0.87ms` from Dallas, US
13.226.253.101	AS16509 Amazon.com, Inc.	`0.10ms` from Denver, US
20.223.160.5	AS8075 Microsoft Corporation	`0.17ms` from Dublin, IE
3.69.219.117	AS16509 Amazon.com, Inc.	`0.20ms` from Frankfurt am Main, DE
98.196.185.229	AS7922 Comcast Cable Communications, LLC	`6.41ms` from Houston, US
212.81.162.133	AS3262 SAREnet, S.A.	`0.75ms` from Madrid, ES
79.32.166.101	AS3269 Telecom Italia S.p.A.	`5.14ms` from Milan, IT
88.215.135.5	AS12683 PJSC Rostelecom	`19.51ms` from Moscow, RU

Traceroute

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

traceroute -a -n -q1 210.121.100.168

traceroute to 210.121.100.168 (210.121.100.168): 64 hops max, 52 byte packets

1 [AS15169] 142.251.60.112 126.601 ms

2 *

3 [AS9457] 211.61.140.2 160.125 ms

4 *

5 *

6 *

7 *

8 [AS45374] 210.121.100.168 162.588 ms

Measurement taken from

IPinfo ProbeNet in Council Bluffs, US

On January 30th 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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