1. All IP Ranges
  2. 203.0.0.0/8
  3. 203.230.0.0/16
  4. AS17868  | 203.230.112.0/23

203.230.112.0/23

AS17868  ·  Hyupsung University

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Summary

Country South Korea
Domain kren.kr
ASN AS17868
Registry APNIC
ID KREN

WHOIS Details

inetnum:        203.230.112.0 - 203.230.115.255
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:  2017-02-02T04:55:22Z
source:         APNIC

irt:            IRT-KRNIC-KR
address:        9, Jinheung-gil, Naju-si, Jeollanam-do
e-mail:         [email protected]
abuse-mailbox:  [email protected]
admin-c:        IM574-AP
tech-c:         IM574-AP
auth:           # Filtered
remarks:        [email protected] 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:         [email protected]
nic-hdl:        IM70-AP
mnt-by:         MNT-KRNIC-AP
last-modified:  2025-11-17T00:10:02Z
source:         APNIC

inetnum:        203.230.112.0 - 203.230.115.255
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:        [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:        57 Daehak-ro, Jongno-gu, Seoul
address:        1
country:        KR
phone:          +82-2-882-5363
e-mail:         [email protected]
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:         [email protected]
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

Nearby Ranges

BGP prefixes that overlap with 203.230.0.0/16

Range ASN Company Num of IPs
203.230.160.0/19 AS45377 Korea Telecom 8,192
203.230.32.0/20 AS17595 Korea Institute of Nuclear Safety 4,096
203.230.80.0/20 AS4766 Korean Education Network 4,096
203.230.24.0/21 AS1237 Korea Institute of Science and Technology Information 2,048
203.230.64.0/21 AS1237 KISTI 2,048
203.230.192.0/22 AS18329 SANGMYUNG UNIVERSITY 1,024
203.230.196.0/23 AS18329 SANGMYUNG UNIVERSITY 512
203.230.212.0/23 AS18028 Gyeongsang National University 512
203.230.4.0/23 AS45363 Sun Moon University 512
203.230.16.0/23 AS1237 Korea Institute of Science and Technology Information 512
203.230.199.0/24 AS3786 Kkottongnae Hyundo University of Social Welfare 256
203.230.218.0/24 AS3786 Korea Soongsil Cyber University 256
203.230.132.0/24 AS4766 Appeals Commission for Education 256
203.230.219.0/24 AS4766 Chungkang College Of Cultural Industries 256
203.230.254.0/24 AS4766 Choonhae College 256
203.230.255.0/24 AS4766 Choonhae College 256
203.230.133.0/24 AS9691 Kyungsung University 256
203.230.208.0/24 AS10053 Yeonsung University 256
203.230.215.0/24 AS9691 Kyungsung University 256
203.230.209.0/24 AS10053 Yeonsung University 256
203.230.240.0/24 AS18023 Korea Maritime University(KMU) 256
203.230.241.0/24 AS18023 Korea Maritime University(KMU) 256
203.230.242.0/24 AS18023 Korea Maritime University(KMU) 256
203.230.243.0/24 AS18023 Korea Maritime University(KMU) 256
203.230.252.0/24 AS18023 Korea Maritime University(KMU) 256
203.230.253.0/24 AS18023 Korea Maritime University(KMU) 256
203.230.214.0/24 AS18028 Gyeongsang National University 256
203.230.198.0/24 AS18329 SANGMYUNG UNIVERSITY 256

Hosted domains

There is 1 domain name hosted across 2 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
203.230.112.87 uhs.ac.kr 1
203.230.112.80 uhs.ac.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

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

IP Address ASN Details
203.230.112.253 AS17868 Hyupsung University 2.02ms from Seoul, KR
203.230.113.120 AS17868 Hyupsung University 2.19ms 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
154.250.123.71 AS36947 Telecom Algeria 13.13ms from Algiers, DZ
95.9.201.23 AS9121 Turk Telekomunikasyon Anonim Sirketi 19.85ms from Istanbul, TR
82.12.229.55 AS5089 Virgin Media Limited 8.95ms from London, GB
82.34.65.247 AS5089 Virgin Media Limited 14.50ms from London, GB
5.71.30.7 AS5607 Sky UK Limited 12.99ms from London, GB
37.12.208.151 AS3352 TELEFONICA DE ESPANA S.A.U. 16.76ms from Madrid, ES
79.62.52.215 AS3269 Telecom Italia S.p.A. 9.91ms from Milan, IT
211.125.204.23 AS7524 ITEC HANKYU HANSHIN CO.,LTD. 1.16ms from Osaka, JP
189.51.158.215 AS28349 CABONNET INTERNET LTDA 7.20ms from Osasco, BR
86.252.82.183 AS3215 Orange S.A. 5.03ms from Paris, FR
82.51.49.231 AS3269 Telecom Italia S.p.A. 8.28ms from Rende, IT
121.172.123.7 AS4766 Korea Telecom 1.62ms from Seoul, KR
59.3.95.151 AS4766 Korea Telecom 5.58ms from Seoul, KR
103.40.8.87 AS54801 Zillion Network Inc. 1.56ms from Singapore, SG
5.29.196.23 AS12849 Hot-Net internet services Ltd. 6.64ms from Tel Aviv, IL
48.223.23.39 AS8075 Microsoft Corporation 0.21ms from Boydton, US
103.129.75.231 AS137671 ITE&C DEPARTMENT, GOVERNMENT OF A.P. 11.95ms from Chennai, IN
120.89.110.39 AS23752 Nepal Telecommunications Corporation, Internet Services, 0.53ms from Kathmandu, NP
45.197.84.7 AS63139 BEDGE CO LIMITED 0.33ms from Kuala Lumpur, MY
172.100.242.119 AS11351 Charter Communications Inc 13.71ms from New York City, US
195.154.106.23 AS12876 SCALEWAY S.A.S. 1.11ms from Paris, FR
201.127.91.39 AS8151 UNINET 11.07ms from Phoenix, US
27.213.11.7 AS4837 CHINA UNICOM China169 Backbone 10.26ms from Qingdao, CN
119.190.24.135 AS4837 CHINA UNICOM China169 Backbone 3.86ms from Qingdao, CN
189.61.216.7 AS28573 Claro NXT Telecomunicacoes Ltda 2.88ms from Sao Paulo, BR

Traceroute

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

$
traceroute -a -n -q1 -f5 203.230.113.73
traceroute to 203.230.113.73 (203.230.113.73): 64 hops max, 52 byte packets
6 *
7 *
8 *
9 *
10 [AS9318] 1.238.11.38 3.166 ms
11 *
12 *
Measurement taken from IPinfo ProbeNet in Seoul, KR
On

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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