203.234.124.0/23

AS55622 · CNUE

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Summary

Country	South Korea
Domain	kren.kr
ASN	AS55622
Registry	APNIC
ID	KREN

WHOIS Details

inetnum:        203.234.112.0 - 203.234.127.255
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:  2017-02-02T04:55:25Z
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:        203.234.112.0 - 203.234.127.255
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

Nearby Ranges

BGP prefixes that overlap with 203.234.0.0/16

No nearby ranges found.

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

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
23.37.239.55	AS16625 Akamai Technologies, Inc.	`0.27ms` from Hamburg, DE
43.99.248.199	AS45102 Alibaba (US) Technology Co., Ltd.	`1.19ms` from Hong Kong, HK
82.28.177.7	AS5089 Virgin Media Limited	`13.73ms` from London, GB
49.28.91.151	AS4766 Korea Telecom	`7.00ms` from Seoul, KR
180.65.247.87	AS9318 SK Broadband Co Ltd	`5.97ms` from Seoul, KR
125.42.107.135	AS4837 CHINA UNICOM China169 Backbone	`2.01ms` from Zhengzhou, CN
39.107.32.71	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`1.24ms` from Beijing, CN
110.146.0.23	AS1221 Telstra Limited	`18.44ms` from Brisbane, AU
97.149.184.119	AS6167 Verizon Business	`10.07ms` from Chicago, US
130.213.18.183	AS8075 Microsoft Corporation	`0.39ms` from Chicago, US
37.219.10.103	AS16086 DNA Oyj	`7.02ms` from Helsinki, FI
45.199.61.39	AS134548 DXTL Tseung Kwan O Service	`0.74ms` from Hong Kong, HK
98.185.237.39	AS22773 Cox Communications Inc.	`8.69ms` from Los Angeles, US
107.128.44.55	AS7018 AT&T Enterprises, LLC	`2.38ms` from Los Angeles, US
75.251.44.39	AS6167 Verizon Business	`16.95ms` from Miami, US
222.92.159.71	AS4134 CHINANET-BACKBONE	`4.65ms` from Nanjing, CN
100.12.250.7	AS701 Verizon Business	`2.74ms` from New York City, US
71.46.58.199	AS33363 Charter Communications, Inc	`3.93ms` from Orlando, US
23.53.205.183	AS16625 Akamai Technologies, Inc.	`0.62ms` from Osaka, JP
20.168.29.247	AS8075 Microsoft Corporation	`0.33ms` from Phoenix, US
119.186.92.87	AS4837 CHINA UNICOM China169 Backbone	`4.53ms` from Qingdao, CN
34.64.243.183	AS396982 Google LLC	`0.08ms` from Seoul, KR
134.65.254.231	AS31898 Oracle Corporation	`0.17ms` from Vinhedo, BR
94.59.66.215	AS5384 Emirates Internet	`1.50ms` from Al Fujairah City, AE
156.192.169.167	AS8452 TE-AS	`7.93ms` from Cairo, EG

Traceroute

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

traceroute -a -n -q1 -f9 -m16 203.234.124.206

traceroute to 203.234.124.206 (203.234.124.206): 16 hops max, 52 byte packets

9 [AS4766] 112.174.87.213 161.122 ms

10 [AS4766] 112.174.91.129 161.185 ms

11 *

12 *

13 [AS4766] 218.152.247.94 167.793 ms

14 *

15 *

16 *

Measurement taken from

IPinfo ProbeNet in Dallas, US

On September 18th 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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