210.181.128.0/18

AS4766  ·  Korea Telecom

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Summary

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

WHOIS Details

inetnum:        210.181.128.0 - 210.181.191.255
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:  2017-02-02T04:55:45Z
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:        210.181.128.0 - 210.181.191.255
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 6 domain names hosted across 5 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
210.181.181.91 songgok.ac.kr 2
210.181.136.7 kinst.ac.kr 1
210.181.158.89 hytu.ac.kr 1
210.181.158.171 shyu.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

Pingable IPs

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

IP Address ASN Details
210.181.134.228 AS4766 Korea Telecom 5.10ms from Seoul, KR
210.181.145.4 AS9970 Korea University of Technology and Education 3.65ms from Seoul, KR
210.181.136.254 AS4766 Korea Telecom 1.63ms from Seoul, KR
210.181.184.1 AS4766 Korea Telecom 3.41ms from Seoul, KR
210.181.131.245 AS4766 Korea Telecom 5.22ms from Seoul, KR
210.181.183.123 AS4766 Korea Telecom 2.87ms from Seoul, KR
210.181.158.253 AS4766 Korea Telecom 1.23ms from Seoul, KR
210.181.133.45 AS4766 Korea Telecom 5.01ms from Seoul, KR
210.181.142.241 AS9970 Korea University of Technology and Education 3.62ms from Seoul, KR
210.181.181.91 AS4766 Korea Telecom 2.88ms from Seoul, KR
210.181.150.2 AS4766 Korea Telecom 3.85ms from Seoul, KR
210.181.149.253 AS9970 Korea University of Technology and Education 4.68ms from Seoul, KR
210.181.182.251 AS4766 Korea Telecom 2.92ms from Seoul, KR
210.181.141.248 AS4766 Korea Telecom 2.21ms from Seoul, KR
210.181.132.238 AS4766 Korea Telecom 5.10ms from Seoul, KR
210.181.129.252 AS4766 Korea Telecom 4.96ms from Seoul, KR
210.181.146.89 AS9970 Korea University of Technology and Education 3.31ms from Seoul, KR
210.181.160.214 AS4766 Korea Telecom 5.19ms from Seoul, KR
210.181.135.245 AS4766 Korea Telecom 5.04ms from Seoul, KR
210.181.130.252 AS4766 Korea Telecom 5.16ms from Seoul, KR
210.181.147.132 AS9970 Korea University of Technology and Education 4.29ms from Seoul, KR
210.181.159.253 AS4766 Korea Telecom 1.10ms from Seoul, KR
210.181.151.253 AS9970 Korea University of Technology and Education 4.00ms from Seoul, KR
210.181.137.89 AS4766 Korea Telecom 2.86ms from Seoul, KR
210.181.161.2 AS4766 Korea Telecom 5.55ms 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
96.38.27.146 AS20115 Charter Communications LLC 12.46ms from Atlanta, US
172.78.28.34 AS5650 Frontier Communications of America, Inc. 9.38ms from Chicago, US
79.170.191.82 AS24722 Babilon 0.35ms from Dushanbe, TJ
219.222.237.194 AS4538 China Education and Research Network Center 2.18ms from Guangzhou, CN
116.62.194.210 AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 4.38ms from Hangzhou, CN
194.224.196.18 AS3352 TELEFONICA DE ESPANA S.A.U. 1.06ms from Madrid, ES
188.42.82.50 AS39134 EDINAYA SET LIMITED LIABILITY COMPANY 1.07ms from Moscow, RU
103.14.232.18 AS58678 Intech Online Private Limited 0.65ms from Mumbai, IN
200.131.124.2 AS1916 Rede Nacional de Ensino e Pesquisa 18.75ms from Osasco, BR
185.213.179.210 AS61205 Infomil S.A.S. 0.71ms from Paris, FR
12.219.199.242 AS7018 AT&T Enterprises, LLC 2.44ms from San Jose, US
182.218.234.98 AS17858 LG POWERCOMM 2.25ms from Seoul, KR
49.247.153.18 AS38700 SMILESERV 1.35ms from Seoul, KR
62.47.10.18 AS8447 A1 Telekom Austria AG 6.01ms from Vienna, AT
81.205.159.82 AS1136 KPN B.V. 1.25ms from Amsterdam, NL
20.161.17.194 AS8075 Microsoft Corporation 0.38ms from Boydton, US
190.175.40.82 AS22927 Telefonica de Argentina 1.88ms from Buenos Aires, AR
174.108.182.98 AS11426 Charter Communications Inc 2.68ms from Charlotte, US
45.202.223.82 AS398704 STACKS INC 0.19ms from Hong Kong, HK
217.74.174.82 AS16300 JSC "ER-Telecom Holding" 0.69ms from Krasnoyarsk, RU
4.187.140.226 AS8075 Microsoft Corporation 0.14ms from Lohogaon, IN
164.67.22.194 AS52 University of California, Los Angeles 0.84ms from Los Angeles, US
66.199.165.2 AS13768 Aptum Technologies 0.82ms from Montreal, CA
187.33.187.210 AS262694 Link Centro de Informatica Ltda. 14.26ms from Osasco, BR
176.129.101.146 AS5410 Bouygues Telecom SA 13.50ms from Paris, FR

Traceroute

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

$
traceroute -a -n -q1 210.181.148.28
traceroute to 210.181.148.28 (210.181.148.28): 64 hops max, 52 byte packets
2 *
3 *
4 [AS9286] 121.78.68.49 0.274 ms
5 *
6 *
7 *
10 [AS3786] 211.170.34.74 5.123 ms
11 [AS9970] 220.68.95.83 6.658 ms
12 [AS9970] 220.68.95.2 4.904 ms
13 *
14 [AS9970] 210.181.148.28 4.752 ms
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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