203.237.97.0/24

AS9754 · CHOSUN 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	kren.kr
ASN	AS9754
Parent Range	203.237.96.0/19
Registry	APNIC
ID	KREN

WHOIS Details

inetnum:        203.237.96.0 - 203.237.127.255
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:  2017-02-02T04:55:26Z
source:         APNIC

irt:            IRT-KRNIC-KR
address:        9, Jinheung-gil, Naju-si, Jeollanam-do
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:  2025-09-04T01:00:01Z
source:         APNIC

person:         IP Manager
address:        57 Daehak-ro, Jongno-gu, Seoul
country:        KR
phone:          +82-2-882-5363
e-mail:         kindman@kren.kr
nic-hdl:        IM70-AP
mnt-by:         MNT-KRNIC-AP
last-modified:  2025-11-17T00:10:02Z
source:         APNIC

inetnum:        203.237.96.0 - 203.237.127.255
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
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:        57 Daehak-ro, Jongno-gu, Seoul
address:        1
country:        KR
phone:          +82-2-882-5363
e-mail:         kindman@kren.kr
nic-hdl:        IA142-KR
mnt-by:         MNT-KRNIC-AP
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:        57 Daehak-ro, Jongno-gu, Seoul
address:        1
country:        KR
phone:          +82-2-882-5363
e-mail:         kindman@kren.kr
nic-hdl:        IM142-KR
mnt-by:         MNT-KRNIC-AP
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 203.237.97.0/24

Range	ASN	Company	Num of IPs
203.237.96.0/19	AS9754	Korean Education Network	8,192

Nearby Ranges

BGP prefixes that overlap with 203.237.0.0/16

Range	ASN	Company	Num of IPs
203.237.128.0/17	AS3786	Korean Education Network	32,768
203.237.128.0/17	AS23983	Korean Education Network	32,768
203.237.128.0/17	AS4766	Korean Education Network	32,768
203.237.32.0/19	AS18297	Gwangju Institute of Science and Technology	8,192
203.237.96.0/19	AS9754	Korean Education Network	8,192
203.237.64.0/19	AS9778	KISTI	8,192
203.237.0.0/19	AS10166	Korea Water Resources Corporation	8,192
203.237.202.0/23	AS18026	CHEJU NATIONAL UNIVERSITY	512
203.237.173.0/24	AS18031	SANGMYUNG UNIVERSITY	256
203.237.161.0/24	AS3786	Dongyang Technical College	256
203.237.164.0/24	AS3786	Dongyang Technical College	256
203.237.163.0/24	AS3786	Dongyang Technical College	256
203.237.166.0/24	AS3786	Dongyang Technical College	256
203.237.162.0/24	AS3786	Dongyang Technical College	256
203.237.167.0/24	AS3786	Dongyang Technical College	256
203.237.165.0/24	AS3786	Dongyang Technical College	256
203.237.172.0/24	AS3786	SANGMYUNG UNIVERSITY	256
203.237.160.0/24	AS3786	Dongyang Technical College	256
203.237.254.0/24	AS38694	CHEONGJU NATIONAL UNIVERSITY OF EDUCATION	256
203.237.255.0/24	AS38694	CHEONGJU NATIONAL UNIVERSITY OF EDUCATION	256
203.237.210.0/24	AS4766	useokUniversity	256
203.237.207.0/24	AS4766	useokUniversity	256
203.237.213.0/24	AS4766	useokUniversity	256
203.237.215.0/24	AS4766	useokUniversity	256
203.237.212.0/24	AS4766	useokUniversity	256
203.237.211.0/24	AS4766	useokUniversity	256
203.237.205.0/24	AS4766	useokUniversity	256
203.237.214.0/24	AS4766	useokUniversity	256
203.237.250.0/24	AS4766	Chungang University	256
203.237.158.0/24	AS4766	DAEJEON UNIVERSITY	256
203.237.157.0/24	AS4766	DAEJEON UNIVERSITY	256
203.237.156.0/24	AS4766	DAEJEON UNIVERSITY	256
203.237.191.0/24	AS4766	daekuUniversity of Education	256
203.237.209.0/24	AS4766	useokUniversity	256
203.237.206.0/24	AS4766	useokUniversity	256
203.237.159.0/24	AS4766	DAEJEON UNIVERSITY	256
203.237.204.0/24	AS4766	useokUniversity	256
203.237.225.0/24	AS4766	HALLYM COLLEGE	256
203.237.224.0/24	AS4766	DANKOOK UNIVERSITY	256
203.237.208.0/24	AS4766	useokUniversity	256
203.237.231.0/24	AS4766	HALLYM COLLEGE	256
203.237.223.0/24	AS9318	DANKOOK UNIVERSITY	256
203.237.219.0/24	AS9318	DANKOOK UNIVERSITY	256
203.237.190.0/24	AS9318	Shinhan University	256
203.237.222.0/24	AS9318	DANKOOK UNIVERSITY	256
203.237.221.0/24	AS9318	DANKOOK UNIVERSITY	256
203.237.218.0/24	AS9318	DANKOOK UNIVERSITY	256
203.237.226.0/24	AS9318	DANKOOK UNIVERSITY	256
203.237.216.0/24	AS9318	DANKOOK UNIVERSITY	256
203.237.217.0/24	AS9318	DANKOOK UNIVERSITY	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

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

IP Address	ASN	Details
203.237.97.41	AS9754 CHOSUN UNIVERSITY	`6.88ms` 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
37.230.44.200	AS216451 Daten- und Telekommunikations GmbH Dessau	`7.09ms` from Berlin, DE
37.58.14.72	AS28952 O2 Business Services, a.s	`8.20ms` from Bratislava, SK
34.22.135.40	AS396982 Google LLC	`0.14ms` from Brussels, BE
147.29.236.24	AS29156 DXC Technology Danmark A/S	`2.33ms` from Copenhagen, DK
98.239.5.184	AS7922 Comcast Cable Communications, LLC	`19.36ms` from Dallas, US
31.51.139.120	AS2856 British Telecommunications PLC	`2.05ms` from Erith, GB
202.174.120.120	AS38872 Indian School of Business, a world class business school, India	`1.31ms` from Hyderabad, IN
88.251.67.40	AS9121 Turk Telekomunikasyon Anonim Sirketi	`4.58ms` from Istanbul, TR
185.73.205.168	AS200780 Eurofiber France SAS	`0.45ms` from Paris, FR
23.65.23.40	AS35994 Akamai Technologies, Inc.	`4.47ms` from Seattle, US
20.53.132.216	AS8075 Microsoft Corporation	`0.65ms` from Sydney, AU
60.134.222.120	AS17676 SoftBank Corp.	`3.03ms` from Tokyo, JP
106.178.239.248	AS2516 KDDI CORPORATION	`17.62ms` from Tokyo, JP
176.233.85.72	AS34984 Superonline Iletisim Hizmetleri A.S.	`12.46ms` from Ankara, TR
20.97.157.232	AS8075 Microsoft Corporation	`0.26ms` from Boydton, US
89.165.219.8	AS48161 NEXTGEN COMMUNICATIONS SRL	`4.41ms` from Bucharest, RO
191.84.33.8	AS22927 Telefonica de Argentina	`1.67ms` from Buenos Aires, AR
18.117.55.56	AS16509 Amazon.com, Inc.	`0.15ms` from Columbus, US
3.132.36.120	AS16509 Amazon.com, Inc.	`0.16ms` from Columbus, US
212.134.117.168	AS9304 HGC Global Communications Limited	`1.73ms` from Hong Kong, HK
112.140.189.120	AS131215 116 MADHAV DARSHAN	`14.14ms` from Mumbai, IN
3.236.209.88	AS14618 Amazon.com, Inc.	`0.38ms` from Reston, US
198.2.241.200	AS54600 PEG TECH INC	`0.63ms` from San Jose, US
211.250.59.56	AS4766 Korea Telecom	`2.38ms` from Seoul, KR
110.51.139.56	AS45113 Shanxi Datong Coal Group Communication Co., Ltd	`13.75ms` from Taiyuan, 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 -m6 203.237.97.38

traceroute to 203.237.97.38 (203.237.97.38): 6 hops max, 52 byte packets

3 [AS749] 11.110.76.85 3.474 ms

4 *

5 *

6 *

Measurement taken from

IPinfo ProbeNet in Guangzhou, CN

On March 29th 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.

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