203.237.125.0/24

AS9754 · CHOSUN UNIVERSITY

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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:        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:        203.237.96.0 - 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
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

Overlapping Ranges

BGP prefixes that contain 203.237.125.0/24

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	AS4766	Korean Education Network	32,768
203.237.128.0/19	AS3786	Korean Education Network	8,192
203.237.64.0/19	AS9778	KISTI	8,192
203.237.32.0/19	AS18297	KISTI	8,192
203.237.96.0/19	AS9754	Korean Education Network	8,192
203.237.0.0/19	AS10166	KISTI	8,192
203.237.128.0/20	AS23983	Korean Education Network	4,096
203.237.240.0/21	AS9318	Korean Education Network	2,048
203.237.176.0/21	AS18329	Korean Education Network	2,048
203.237.144.0/21	AS23983	Korean Education Network	2,048
203.237.192.0/21	AS3786	Korean Education Network	2,048
203.237.184.0/22	AS17614	Korean Education Network	1,024
203.237.152.0/23	AS23983	Korean Education Network	512
203.237.172.0/23	AS3786	Korean Education Network	512
203.237.202.0/23	AS18026	Korean Education Network	512
203.237.188.0/23	AS18319	Korean Education Network	512
203.237.169.0/24	AS18031	Korean Education Network	256
203.237.215.0/24	AS4766	Korean Education Network	256
203.237.206.0/24	AS4766	Korean Education Network	256
203.237.254.0/24	AS38694	Korean Education Network	256
203.237.248.0/24	AS9318	Korean Education Network	256
203.237.175.0/24	AS18031	Korean Education Network	256
203.237.159.0/24	AS4766	Korean Education Network	256
203.237.221.0/24	AS4766	Korean Education Network	256
203.237.204.0/24	AS4766	Korean Education Network	256
203.237.163.0/24	AS4766	Korean Education Network	256
203.237.158.0/24	AS4766	Korean Education Network	256
203.237.160.0/24	AS4766	Korean Education Network	256
203.237.171.0/24	AS18031	Korean Education Network	256
203.237.164.0/24	AS4766	Korean Education Network	256
203.237.224.0/24	AS4766	Korean Education Network	256
203.237.218.0/24	AS4766	Korean Education Network	256
203.237.172.0/24	AS18031	Korean Education Network	256
203.237.2.0/24	AS10166	KISTI	256
203.237.154.0/24	AS4766	Korean Education Network	256
203.237.1.0/24	AS10166	KISTI	256
203.237.229.0/24	AS4766	Korean Education Network	256
203.237.255.0/24	AS38694	Korean Education Network	256
203.237.174.0/24	AS18031	Korean Education Network	256
203.237.249.0/24	AS9318	Korean Education Network	256
203.237.219.0/24	AS4766	Korean Education Network	256
203.237.170.0/24	AS18031	Korean Education Network	256
203.237.200.0/24	AS9318	Korean Education Network	256
203.237.227.0/24	AS4766	Korean Education Network	256
203.237.157.0/24	AS4766	Korean Education Network	256
203.237.208.0/24	AS4766	Korean Education Network	256
203.237.207.0/24	AS4766	Korean Education Network	256
203.237.173.0/24	AS18031	Korean Education Network	256
203.237.0.0/24	AS10166	KISTI	256
203.237.191.0/24	AS3786	Korean Education Network	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

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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
23.15.77.184	AS16625 Akamai Technologies, Inc.	0.17ms from Ashburn, US
85.72.144.88	AS6799 Ote SA (Hellenic Telecommunications Organisation)	5.43ms from Athens, GR
108.254.169.168	AS7018 AT&T Enterprises, LLC	2.99ms from Chicago, US
139.208.17.40	AS4837 CHINA UNICOM China169 Backbone	11.59ms from Liaoyang, CN
94.4.228.88	AS5607 Sky UK Limited	4.68ms from London, GB
104.161.27.232	AS53755 Input Output Flood LLC	0.70ms from Phoenix, US
59.146.19.40	AS2527 Sony Network Communications Inc.	7.79ms from Tokyo, JP
89.152.215.168	AS2860 NOS COMUNICACOES, S.A.	8.10ms from Braga, PT
44.216.139.40	AS14618 Amazon.com, Inc.	0.14ms from Reston, US
153.144.147.40	AS4713 NTT Communications Corporation	13.32ms from Tokyo, JP
4.2.35.8	AS3356 Level 3 Parent, LLC	0.50ms from Dallas, US
75.233.69.152	AS6167 Verizon Business	17.17ms from Los Angeles, US
60.47.100.152	AS4713 NTT Communications Corporation	8.71ms from Tokyo, JP
102.42.1.104	AS8452 TE-AS	5.54ms from Cairo, EG
60.22.94.88	AS4837 CHINA UNICOM China169 Backbone	7.71ms from Liaoyang, CN
161.35.169.104	AS14061 DigitalOcean, LLC	0.26ms from London, GB
126.22.108.248	AS17676 SoftBank Corp.	3.97ms from Osaka, JP
202.46.182.24	AS133532 ASN for .nz InternetNZ Registry Content	1.28ms from Auckland, NZ
84.136.194.200	AS3320 Deutsche Telekom AG	3.60ms from Frankfurt am Main, DE
79.33.24.8	AS3269 Telecom Italia S.p.A.	5.23ms from Milan, IT
203.63.215.248	AS7545 TPG Telecom Limited	1.29ms from Perth, AU
65.36.80.88	AS7459 Grande Communications Networks, LLC	5.91ms from Dallas, US
79.170.108.72	AS57331 Republican Unitary Enterprise Research and Development "Center of Information Resources and Communications"	1.66ms from Minsk, BY
189.62.7.56	AS28573 Claro NXT Telecomunicacoes Ltda	5.96ms from Sao Paulo, BR
177.192.34.56	AS28573 Claro NXT Telecomunicacoes Ltda	12.49ms from Sao Paulo, BR

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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