121.144.140.0/22

AS9870 · DONG-EUI UNIVERSITY

Need more data or want to access it via API or data downloads? Sign up to get free access

Summary

Country	South Korea
Domain	kt.com
ASN	AS9870
Parent Range	121.128.0.0/11
Registry	KRNIC
ID	121.144.140.0-121.144.140.255

WHOIS Details

inetnum:            121.144.140.0 - 121.144.140.255
descr:              Donguidaehakgyo
network-type:       CUSTOMER
address:            Gaya1-Dong Busanjin-Gu Busangwangyeok-Si
zip-code:           614-011
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 121.144.140.0/22

Range	ASN	Company	Num of IPs
121.128.0.0/11	AS38122	Korea Telecom	2,097,152
121.128.0.0/11	AS4766	Korea Telecom	2,097,152
121.128.0.0/11	AS17588	Korea Telecom	2,097,152
121.128.0.0/11	AS9856	Korea Telecom	2,097,152
121.128.0.0/11	AS9647	Korea Telecom	2,097,152
121.128.0.0/11	AS18333	Korea Telecom	2,097,152

Nearby Ranges

BGP prefixes that overlap with 121.144.0.0/16

Range	ASN	Company	Num of IPs
121.128.0.0/11	AS17588	Korea Telecom	2,097,152
121.128.0.0/11	AS38122	Korea Telecom	2,097,152
121.128.0.0/11	AS4766	Korea Telecom	2,097,152
121.128.0.0/11	AS9647	Korea Telecom	2,097,152
121.128.0.0/11	AS9856	Korea Telecom	2,097,152
121.128.0.0/11	AS18333	Korea Telecom	2,097,152
121.144.249.0/24	AS18023	Haeyangdaehakgyo	256
121.144.250.0/24	AS18023	Haeyangdaehakgyo	256
121.144.149.0/24	AS9870	Donguidaehakgyo	256
121.144.148.0/24	AS9870	Donguidaehakgyo	256

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

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

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
12.119.81.70	AS7018 AT&T Enterprises, LLC	`2.92ms` from Chicago, US
185.247.54.6	AS25441 Imagine Communications Group Limited	`19.71ms` from Dublin, IE
84.169.212.182	AS3320 Deutsche Telekom AG	`2.28ms` from Frankfurt am Main, DE
102.214.177.134	AS328704 Wifiza Telecoms cc	`3.87ms` from Johannesburg, ZA
83.172.215.22	AS12651 IP worldcom SA	`1.43ms` from Lausanne, CH
123.191.122.6	AS4837 CHINA UNICOM China169 Backbone	`14.61ms` from Liaoyang, CN
92.232.31.22	AS5089 Virgin Media Limited	`7.04ms` from London, GB
92.159.203.118	AS3215 Orange S.A.	`3.62ms` from Lyon, FR
162.255.138.182	AS47869 ColoHouse LLC	`0.14ms` from Miami, US
108.188.23.198	AS33363 Charter Communications, Inc	`10.59ms` from Orlando, US
54.226.99.38	AS14618 Amazon.com, Inc.	`0.40ms` from Reston, US
20.226.2.214	AS8075 Microsoft Corporation	`0.20ms` from Sao Paulo, BR
49.176.32.70	AS4804 Microplex PTY LTD	`7.56ms` from Sydney, AU
105.103.149.150	AS36947 Telecom Algeria	`12.39ms` from Algiers, DZ
98.166.234.134	AS22773 Cox Communications Inc.	`9.32ms` from Ashburn, US
146.255.120.246	AS53786 Kyndryl	`1.44ms` from Dallas, US
84.140.97.166	AS3320 Deutsche Telekom AG	`7.87ms` from Frankfurt am Main, DE
208.65.255.134	AS6939 Hurricane Electric LLC	`0.28ms` from Fremont, US
188.155.162.22	AS6730 Sunrise GmbH	`1.46ms` from Geneve, CH
12.36.235.134	AS7018 AT&T Enterprises, LLC	`10.71ms` from Murfreesboro, US
218.204.92.198	AS56045 China Mobile communications corporation	`5.35ms` from Nanchang, CN
39.69.49.230	AS4837 CHINA UNICOM China169 Backbone	`3.86ms` from Qingdao, CN
183.102.199.38	AS4766 Korea Telecom	`1.18ms` from Seoul, KR
121.30.183.118	AS4837 CHINA UNICOM China169 Backbone	`9.78ms` from Taiyuan, CN
51.16.76.134	AS16509 Amazon.com, Inc.	`1.26ms` from Tel Aviv, IL

Traceroute

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

traceroute -a -n -q1 -m4 121.144.142.105

traceroute to 121.144.142.105 (121.144.142.105): 4 hops max, 52 byte packets

1 [AS34689] 185.75.243.1 0.121 ms

2 *

3 *

4 *

Measurement taken from

IPinfo ProbeNet in Tirana, AL

On November 28th 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.

An API built with users in mind: reliable, accurate, and easy-to-use

Discover why industry-leading companies around the globe love our data. IPinfo's accurate insights fuel use cases from cybersecurity, data enrichment, web personalization, and much more.

Get Started for Free Contact Sales