203.246.0.0/17

AS4766 · Korea Telecom

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Summary

Country	South Korea
Domain	kren.kr
ASN	AS4766
Registry	APNIC
ID	KREN

WHOIS Details

inetnum:        203.246.0.0 - 203.246.127.255
netname:        KREN
descr:          Korean Education Network
admin-c:        IM70-AP
tech-c:         IM70-AP
country:        KR
status:         ALLOCATED PORTABLE
mnt-by:         MNT-KRNIC-AP
mnt-irt:        IRT-KRNIC-KR
last-modified:  2017-02-02T04:55:29Z
source:         APNIC

irt:            IRT-KRNIC-KR
address:        Jeollanam-do Naju-si Jinheung-gil
e-mail:         irt@nic.or.kr
abuse-mailbox:  irt@nic.or.kr
admin-c:        IM574-AP
tech-c:         IM574-AP
auth:           # Filtered
remarks:        irt@nic.or.kr was validated on 2020-04-09
mnt-by:         MNT-KRNIC-AP
last-modified:  2021-06-15T06:21:49Z
source:         APNIC

person:         IP Manager
address:        Seoul Gwanak-gu Gwanak-ro
country:        KR
phone:          +82-2-882-5363
e-mail:         kindman@kren.kr
nic-hdl:        IM70-AP
mnt-by:         MNT-KRNIC-AP
last-modified:  2024-07-09T23:56:03Z
source:         APNIC

inetnum:        203.246.0.0 - 203.246.127.255
netname:        KREN-KR
descr:          Korean Education Network
country:        KR
admin-c:        IA142-KR
tech-c:         IM142-KR
status:         ALLOCATED PORTABLE
mnt-by:         MNT-KRNIC-AP
mnt-irt:        IRT-KRNIC-KR
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.
changed:        hostmaster@nic.or.kr
source:         KRNIC

person:         IP Manager
address:        Seoul Gwanak-gu Gwanak-ro
address:        1
country:        KR
phone:          +82-2-882-5363
e-mail:         kindman@kren.kr
nic-hdl:        IA142-KR
mnt-by:         MNT-KRNIC-AP
changed:        hostmaster@nic.or.kr
source:         KRNIC

person:         IP Manager
address:        Seoul Gwanak-gu Gwanak-ro
address:        1
country:        KR
phone:          +82-2-882-5363
e-mail:         kindman@kren.kr
nic-hdl:        IM142-KR
mnt-by:         MNT-KRNIC-AP
changed:        hostmaster@nic.or.kr
source:         KRNIC

Hosted domains

There are 32 domain names hosted across 28 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
203.246.83.174	seoultech.ac.kr	3
203.246.87.55	aiartsave.com	2
203.246.40.6	swu.seoul.kr	2
203.246.40.2	swu.ac.kr	2
203.246.100.75	wu.ac.kr	2
203.246.1.18	maker-agit.kr	1
203.246.61.22	bist.ac.kr	1
203.246.1.236	hibaseball.co.kr	1
203.246.84.83	oksmartlab.com	1
203.246.1.234	kbostats.net	1
203.246.83.239	parkjonghyuk.net	1
203.246.61.21	bit.ac.kr	1
203.246.87.16	helloremote.kr	1
203.246.84.17	samocns.kr	1
203.246.24.5	casper.or.kr	1

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

1,359 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
203.246.76.1	AS18315 Sorabol College	`6.75ms` from Seoul, KR
203.246.97.133	AS46012 Induk University	`1.37ms` from Seoul, KR
203.246.112.40	AS4766 Korea Telecom	`2.06ms` from Seoul, KR
203.246.32.253	AS9318 SK Broadband Co Ltd	`1.85ms` from Seoul, KR
203.246.40.30	AS3786 LG DACOM Corporation	`2.08ms` from Seoul, KR
203.246.75.1	AS4766 Korea Telecom	`1.17ms` from Seoul, KR
203.246.34.10	AS9318 SK Broadband Co Ltd	`1.73ms` from Seoul, KR
203.246.33.35	AS9318 SK Broadband Co Ltd	`1.96ms` from Seoul, KR
203.246.62.55	AS3786 LG DACOM Corporation	`7.11ms` from Seoul, KR
203.246.96.251	AS46012 Induk University	`1.34ms` from Seoul, KR
203.246.113.90	AS4766 Korea Telecom	`1.91ms` from Seoul, KR
203.246.79.63	AS18315 Sorabol College	`6.21ms` from Seoul, KR
203.246.105.202	AS9962 Sunchon National University	`7.89ms` from Seoul, KR
203.246.46.196	AS4766 Korea Telecom	`2.36ms` from Seoul, KR
203.246.109.84	AS9962 Sunchon National University	`9.55ms` from Seoul, KR
203.246.116.205	AS18176 KOOKMIN UNIVERSITY	`1.71ms` from Seoul, KR
203.246.36.14	AS9318 SK Broadband Co Ltd	`2.02ms` from Seoul, KR
203.246.38.135	AS9318 SK Broadband Co Ltd	`1.54ms` from Seoul, KR
203.246.110.9	AS9962 Sunchon National University	`7.71ms` from Seoul, KR
203.246.108.67	AS9962 Sunchon National University	`7.89ms` from Seoul, KR
203.246.114.185	AS18176 KOOKMIN UNIVERSITY	`2.24ms` from Seoul, KR
203.246.37.251	AS9318 SK Broadband Co Ltd	`1.92ms` from Seoul, KR
203.246.64.37	AS10046 HOWON UNIVERSITY	`6.71ms` from Seoul, KR
203.246.120.41	AS4766 Korea Telecom	`6.13ms` from Seoul, KR
203.246.121.1	AS4766 Korea Telecom	`6.13ms` 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
145.53.144.129	AS1136 KPN B.V.	`1.56ms` from Amsterdam, NL
185.58.237.1	AS201875 Trending Jobs Holding B.V.	`2.65ms` from Amsterdam, NL
217.62.186.1	AS33915 Vodafone Libertel B.V.	`2.69ms` from Amsterdam, NL
107.13.49.97	AS11426 Charter Communications Inc	`10.21ms` from Ashburn, US
216.135.119.241	AS30536 Circle Computer Resources, Inc.	`7.21ms` from Ashburn, US
75.64.161.1	AS7922 Comcast Cable Communications, LLC	`16.53ms` from Atlanta, US
60.25.60.1	AS4837 CHINA UNICOM China169 Backbone	`5.24ms` from Beijing, CN
181.206.118.1	AS27831 Colombia Móvil	`16.04ms` from Bogota, CO
89.137.219.1	AS12302 Vodafone Romania S.A.	`3.87ms` from Bucharest, RO
86.105.19.1	AS59398 InterData Systems SRL	`0.86ms` from Bucharest, RO
181.167.102.1	AS7303 Telecom Argentina S.A.	`1.07ms` from Buenos Aires, AR
201.235.99.1	AS7303 Telecom Argentina S.A.	`1.57ms` from Buenos Aires, AR
41.140.218.17	AS36903 Office National des Postes et Telecommunications ONPT (Maroc Telecom) / IAM	`7.23ms` from Casablanca, MA
182.150.168.1	AS4134 CHINANET-BACKBONE	`2.62ms` from Chengdu, CN
23.113.137.113	AS7018 AT&T Enterprises, LLC	`8.51ms` from Chicago, US
50.26.164.1	AS19108 Optimum	`9.51ms` from Dallas, US
208.184.28.1	AS6461 Zayo Bandwidth	`1.01ms` from Dallas, US
207.188.125.241	AS7029 Windstream Communications LLC	`0.85ms` from Dallas, US
103.204.94.65	AS140139 ECON TELECOMMUNICATIONS PRIVATE LIMITED	`0.96ms` from Delhi, IN
75.71.244.1	AS7922 Comcast Cable Communications, LLC	`2.58ms` from Denver, US
87.198.50.1	AS34245 Magnet Networks Limited	`0.76ms` from Dublin, IE
152.228.186.65	AS16276 OVH SAS	`0.09ms` from Gravelines, FR
89.56.134.177	AS207790 SWN Stadtwerke Neumuenster GmbH	`2.17ms` from Hamburg, DE
183.129.8.1	AS4134 CHINANET-BACKBONE	`3.95ms` from Hangzhou, CN
115.194.128.129	AS4134 CHINANET-BACKBONE	`5.13ms` from Hangzhou, CN

Traceroute

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

traceroute -a -n -q1 -f3 -m7 203.246.52.209

traceroute to 203.246.52.209 (203.246.52.209): 7 hops max, 52 byte packets

3 [AS4766] 121.189.3.37 7.461 ms

4 [AS4766] 112.174.88.177 37.089 ms

5 *

6 *

7 *

Measurement taken from

IPinfo ProbeNet in Nagano, JP

On October 9th 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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