218.150.181.0/24

AS9970 · Korea University of Technology and Education

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Summary

Country	South Korea
Domain	kt.com
ASN	AS9970
Parent Range	218.144.0.0/13
Registry	KRNIC
ID	KORNET-KR

WHOIS Details

inetnum:        218.144.0.0 - 218.151.255.255
netname:        KORNET-KR
descr:          Korea Telecom
country:        KR
admin-c:        IA9-KR
tech-c:         IM9-KR
status:         ALLOCATED PORTABLE
mnt-by:         MNT-KRNIC-AP
mnt-irt:        IRT-KRNIC-KR
changed:        hostmaster@nic.or.kr 20240912
remarks:        This information has been partially mirrored by APNIC from
remarks:        KRNIC. To obtain more specific information, please use the
remarks:        KRNIC whois server at whois.kisa.or.kr.
source:         KRNIC


person:         IP Manager
address:        Gyeonggi-do Bundang-gu, Seongnam-si Buljeong-ro 90
address:        KT Head Office
country:        KR
phone:          +82-2-500-6630
e-mail:         kornet_ip@kt.com
nic-hdl:        IM9-KR
mnt-by:         MNT-KRNIC-AP
changed:        hostmaster@nic.or.kr 20240912
remarks:        This information has been partially mirrored by APNIC from
remarks:        KRNIC. To obtain more specific information, please use the
remarks:        KRNIC whois server at whois.kisa.or.kr.
source:         KRNIC

person:         IP Manager
address:        Gyeonggi-do Bundang-gu, Seongnam-si Buljeong-ro 90
address:        KT Head Office
country:        KR
phone:          +82-2-500-6630
e-mail:         kornet_ip@kt.com
nic-hdl:        IA9-KR
mnt-by:         MNT-KRNIC-AP
changed:        hostmaster@nic.or.kr 20240912
remarks:        This information has been partially mirrored by APNIC from
remarks:        KRNIC. To obtain more specific information, please use the
remarks:        KRNIC whois server at whois.kisa.or.kr.
source:         KRNIC

Overlapping Ranges

BGP prefixes that contain 218.150.181.0/24

Range	ASN	Company	Num of IPs
218.144.0.0/13	AS9970	Korea Telecom	524,288
218.144.0.0/13	AS9859	Korea Telecom	524,288
218.144.0.0/13	AS9867	Korea Telecom	524,288
218.144.0.0/13	AS10065	Korea Telecom	524,288
218.144.0.0/13	AS18324	Korea Telecom	524,288
218.144.0.0/13	AS38135	Korea Telecom	524,288
218.144.0.0/13	AS38411	Korea Telecom	524,288
218.144.0.0/13	AS38422	Korea Telecom	524,288
218.144.0.0/13	AS38671	Korea Telecom	524,288
218.144.0.0/13	AS46009	Korea Telecom	524,288
218.144.0.0/13	AS4766	Korea Telecom	524,288
218.144.0.0/13	AS4793	Korea Telecom	524,288
218.144.0.0/13	AS55615	Korea Telecom	524,288
218.144.0.0/13	AS55618	Korea Telecom	524,288
218.144.0.0/13	AS9684	Korea Telecom	524,288
218.144.0.0/13	AS9772	Korea Telecom	524,288
218.144.0.0/13	AS9843	Korea Telecom	524,288

Hosted domains

There are 3 domain names hosted across 1 IP address on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
218.150.181.12	flykorea.kr	3

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

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Pingable IPs

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

IP Address	ASN	Details
218.150.181.3	AS9970 Korea University of Technology and Education	`3.22ms` 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
188.226.164.120	AS14061 DigitalOcean, LLC	`0.17ms` from Amsterdam, NL
79.210.28.56	AS3320 Deutsche Telekom AG	`1.35ms` from Berlin, DE
195.228.80.40	AS5483 Magyar Telekom Plc.	`0.86ms` from Budapest, HU
174.171.29.184	AS7922 Comcast Cable Communications, LLC	`8.27ms` from Houston, US
117.195.62.184	AS9829 National Internet Backbone	`13.93ms` from Kolkata, IN
73.151.27.232	AS7922 Comcast Cable Communications, LLC	`10.84ms` from Los Angeles, US
23.87.165.8	AS20115 Charter Communications LLC	`19.30ms` from Minneapolis, US
15.188.120.120	AS16509 Amazon.com, Inc.	`0.12ms` from Paris, FR
58.140.102.168	AS10036 DLIVE	`1.73ms` from Seoul, KR
175.237.58.168	AS4766 Korea Telecom	`1.18ms` from Seoul, KR
175.113.201.24	AS9318 SK Broadband Co Ltd	`0.94ms` from Seoul, KR
92.96.212.248	AS5384 Emirates Internet	`8.12ms` from Al Fujairah City, AE
71.69.177.216	AS11426 Charter Communications Inc	`10.54ms` from Ashburn, US
20.21.192.120	AS8075 Microsoft Corporation	`0.18ms` from Az Za`ayin, QA
41.250.78.24	AS36903 Office National des Postes et Telecommunications ONPT (Maroc Telecom) / IAM	`15.56ms` from Braga, PT
119.5.52.152	AS4837 CHINA UNICOM China169 Backbone	`7.69ms` from Chengdu, CN
160.20.135.8	AS147001 DIGITAL NET BD	`4.72ms` from Dhaka, BD
121.12.1.24	AS4134 CHINANET-BACKBONE	`3.25ms` from Guangzhou, CN
116.21.25.136	AS4134 CHINANET-BACKBONE	`2.61ms` from Guangzhou, CN
113.227.147.136	AS4837 CHINA UNICOM China169 Backbone	`10.43ms` from Liaoyang, CN
88.3.71.56	AS3352 TELEFONICA DE ESPANA S.A.U.	`1.30ms` from Madrid, ES
197.248.216.72	AS37061 Safaricom Limited	`7.22ms` from Nairobi, KE
218.64.165.216	AS4134 CHINANET-BACKBONE	`7.34ms` from Nanchang, CN
61.241.138.168	AS4837 CHINA UNICOM China169 Backbone	`3.61ms` from Nanjing, CN
74.103.22.24	AS701 Verizon Business	`3.44ms` from Philadelphia, US

Traceroute

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

traceroute -a -n -q1 218.150.181.61

traceroute to 218.150.181.61 (218.150.181.61): 64 hops max, 52 byte packets

1 [AS15169] 172.253.64.138 1.102 ms

2 *

3 *

4 [AS4766] 112.174.117.42 5.373 ms

5 [AS4766] 112.188.165.86 5.528 ms

6 [AS3786] 211.170.34.74 5.633 ms

7 [AS9970] 220.68.95.83 5.67 ms

8 [AS9970] 220.68.95.2 6.294 ms

9 [AS9970] 218.150.181.61 5.238 ms

Measurement taken from

IPinfo ProbeNet in Seoul, KR

On September 5th 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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