203.249.173.0/24

AS17593 · NDS Coporation

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Summary

Country	South Korea
Domain	kt.com
ASN	AS17593
Parent Range	203.249.160.0/19
Registry	KRNIC
ID	KORNET-KR

WHOIS Details

inetnum:        203.249.160.0 - 203.249.191.255
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:        [email protected] 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:         [email protected]
nic-hdl:        IM9-KR
mnt-by:         MNT-KRNIC-AP
changed:        [email protected] 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:         [email protected]
nic-hdl:        IA9-KR
mnt-by:         MNT-KRNIC-AP
changed:        [email protected] 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 203.249.173.0/24

Range	ASN	Company	Num of IPs
203.249.160.0/19	AS4766	Korea Telecom	8,192
203.249.160.0/19	AS17593	Korea Telecom	8,192

Nearby Ranges

BGP prefixes that overlap with 203.249.0.0/16

Range	ASN	Company	Num of IPs
203.249.160.0/19	AS4766	Korea Telecom	8,192
203.249.160.0/19	AS17593	Korea Telecom	8,192
203.249.114.0/23	AS9523	Mokwon University	512
203.249.40.0/24	AS10073	KOREA NATIONAL OPEN UNIVERSITY	256
203.249.41.0/24	AS10073	KOREA NATIONAL OPEN UNIVERSITY	256
203.249.42.0/24	AS10073	KOREA NATIONAL OPEN UNIVERSITY	256
203.249.43.0/24	AS10073	KOREA NATIONAL OPEN UNIVERSITY	256
203.249.44.0/24	AS10073	KOREA NATIONAL OPEN UNIVERSITY	256
203.249.45.0/24	AS10073	KOREA NATIONAL OPEN UNIVERSITY	256
203.249.122.0/24	AS3786	SEOKYEONG UNIVERSITY	256
203.249.123.0/24	AS3786	SEOKYEONG UNIVERSITY	256
203.249.37.0/24	AS3786	CHONGSHIN UNIVERSITY	256
203.249.39.0/24	AS3786	Dongyang Technical College	256
203.249.11.0/24	AS4766	KYONGGI UNIVERSTY	256
203.249.12.0/24	AS4766	KYONGGI UNIVERSTY	256
203.249.13.0/24	AS4766	KYONGGI UNIVERSTY	256
203.249.14.0/24	AS4766	KYONGGI UNIVERSTY	256
203.249.15.0/24	AS4766	KYONGGI UNIVERSTY	256
203.249.16.0/24	AS4766	KYONGGI UNIVERSTY	256
203.249.32.0/24	AS4766	CHUNGBUK PROVINCIAL UNIVERSITY OF SCIENCE & TECHNOLOGY	256
203.249.38.0/24	AS55611	KYUNGMIN	256
203.249.126.0/24	AS9318	GACHON University	256
203.249.127.0/24	AS9318	GACHON University	256
203.249.33.0/24	AS9318	GACHON University	256
203.249.47.0/24	AS10071	Anyang University	256
203.249.35.0/24	AS9867	Jeonju Technical College	256
203.249.34.0/24	AS10073	KOREA NATIONAL OPEN UNIVERSITY	256
203.249.36.0/24	AS10073	KOREA NATIONAL OPEN UNIVERSITY	256

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

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

IP Address	ASN	Details
203.249.173.81	AS17593 NDS Coporation	`0.88ms` 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
93.128.30.248	AS6805 Telefonica Germany GmbH & Co.OHG	`2.56ms` from Berlin, DE
203.109.153.184	AS9500 One New Zealand Group Limited	`1.49ms` from Christchurch, NZ
89.238.186.216	AS9009 M247 Europe SRL	`0.30ms` from Frankfurt am Main, DE
217.146.91.200	AS25369 Hydra Communications Ltd	`0.38ms` from London, GB
79.50.237.88	AS3269 Telecom Italia S.p.A.	`8.45ms` from Milan, IT
119.207.11.152	AS4766 Korea Telecom	`9.95ms` from Seoul, KR
218.161.90.200	AS3462 Data Communication Business Group	`2.19ms` from Taipei, TW
217.105.1.216	AS33915 Vodafone Libertel B.V.	`3.37ms` from Amsterdam, NL
93.212.89.120	AS3320 Deutsche Telekom AG	`2.85ms` from Berlin, DE
69.91.179.120	AS33659 Comcast Cable Communications, LLC	`0.32ms` from Boston, US
75.159.219.136	AS852 TELUS Communications Inc.	`8.19ms` from Calgary, CA
162.14.82.136	AS45090 Shenzhen Tencent Computer Systems Company Limited	`0.77ms` from Chengdu, CN
14.239.130.216	AS45899 VNPT Corp	`1.96ms` from Hanoi, VN
14.230.208.72	AS45899 VNPT Corp	`3.69ms` from Ho Chi Minh City, VN
178.125.238.248	AS6697 Republican Unitary Telecommunication Enterprise Beltelecom	`2.11ms` from Minsk, BY
14.6.247.152	AS17858 LG POWERCOMM	`2.81ms` from Seoul, KR
125.139.219.56	AS4766 Korea Telecom	`5.03ms` from Seoul, KR
178.59.25.152	AS3329 VODAFONE-PANAFON HELLENIC TELECOMMUNICATIONS COMPANY SA	`8.26ms` from Sofia, BG
125.72.105.152	AS140061 Qinghai Telecom	`0.40ms` from Xining, CN
128.160.32.24	AS668 United States Department of Defense (DoD)	`0.60ms` from Atlanta, US
108.222.114.120	AS7018 AT&T Enterprises, LLC	`11.67ms` from Chicago, US
136.49.136.168	AS16591 Google Fiber Inc.	`5.14ms` from Dallas, US
59.183.190.152	AS9829 National Internet Backbone	`8.98ms` from Delhi, IN
94.185.137.88	AS9009 M247 Europe SRL	`0.25ms` from Dublin, IE
2.241.74.72	AS6805 Telefonica Germany GmbH & Co.OHG	`1.04ms` from Hamburg, DE

Traceroute

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

traceroute -a -n -q1 203.249.173.66

traceroute to 203.249.173.66 (203.249.173.66): 64 hops max, 52 byte packets

1 [AS199524] 82.117.226.1 0.111 ms

2 *

3 *

4 *

5 [AS9457] 211.45.68.45 1.839 ms

6 [AS9318] 39.120.253.58 1.154 ms

7 [AS9318] 39.120.253.57 2.988 ms

8 *

9 *

10 *

11 [AS9318] 218.49.174.2 1.642 ms

12 *

13 [AS17593] 203.249.173.66 1.439 ms

Measurement taken from

IPinfo ProbeNet in Incheon, 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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