route: 203.249.0.0/18
descr: contact noc[at]bora.net if necessary
contact noc[at]bora.net if necessary
origin: AS3786
mnt-by: MAINT-AS3786
changed: yuncheol[at]bora.net 20021216
source: RADB
last-modified: 2023-11-13T16:09:31Z
rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source

route: 203.249.0.0/17
origin: AS4766
descr: Korea Telecom
mnt-by: MAINT-AS4766
changed: ipnoc[at]kt.com 20230523 #06:27:36Z
source: RADB
last-modified: 2023-11-13T16:17:22Z
rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source

route: 203.249.48.0/20
descr: KREN NET BLOCK
Seoul Korea
origin: AS9271
member-of: RS-COMM_NSFNET
mnt-by: MAINT-AS4766
changed: choi[at]streamwk.kix.net 20010207
source: RADB
last-modified: 2023-11-13T16:15:43Z
rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source

route: 203.249.48.0/20
descr: REACH (Customer Route)
tech-c: RRNOC1-REACH
origin: AS9318
remarks: This auto-generated route object was created
remarks: for a REACH customer route
remarks:
remarks: This route object was created because
remarks: some REACH peers filter based on these objects
remarks: and this route may be rejected
remarks: if this object is not created.
remarks:
remarks: Please contact irr[at]team.telstra.com if you have any
remarks: questions regarding this object.
notify: irr[at]team.telstra.com
mnt-by: MAINT-REACH-NOC
changed: irr[at]team.telstra.com 20060428
source: REACH
rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source

route: 203.249.48.0/20
descr: SK Broadband
origin: AS9318
mnt-by: MAINT-AS9318
changed: empires[at]sk.com 20110329
source: RADB
last-modified: 2023-11-13T15:41:17Z
rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source

route: 203.249.48.0/20
descr: Proxy-registered route object
origin: AS9318
remarks: This is a HGC customer route-object
remarks: which is being exported under this origin AS.
remarks:
remarks: This route object was created because no existing
remarks: route object with the same origin was found.
remarks:
remarks: Please contact radb[at]hutchcity.com if you have any
remarks: questions regarding this object.
notify: radb[at]hutchcity.com
mnt-by: MAINT-AS9304
changed: radb[at]hutchcity.com 20050110
source: NTTCOM
rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source

route: 203.249.56.0/21
descr: proxy for HANARO TELECOM route
origin: AS9271
mnt-by: MAINT-HANARO
changed: ce-support[at]us.ntt.net 20110311
source: NTTCOM
rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source

% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html

% Information related to '203.249.0.0 - 203.249.63.255'

% Abuse contact for '203.249.0.0 - 203.249.63.255' is 'irt[at]nic.or.kr'

inetnum: 203.249.0.0 - 203.249.63.255
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: 2017-02-02T04:55:31Z
source: APNIC

irt: IRT-KRNIC-KR
address: 9, Jinheung-gil, Naju-si, Jeollanam-do
e-mail: irt[at]nic.or.kr
abuse-mailbox: irt[at]nic.or.kr
admin-c: IM574-AP
tech-c: IM574-AP
auth: # Filtered
remarks: irt[at]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: Seoul Gwanak-gu Gwanak-ro
country: KR
phone: +82-2-882-5363
e-mail: kindman[at]kren.kr
nic-hdl: IM70-AP
mnt-by: MNT-KRNIC-AP
last-modified: 2024-07-09T23:56:03Z
source: APNIC

% Information related to '203.249.0.0 - 203.249.63.255'

inetnum: 203.249.0.0 - 203.249.63.255
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[at]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: Seoul Gwanak-gu Gwanak-ro
address: 1
country: KR
phone: +82-2-882-5363
e-mail: kindman[at]kren.kr
nic-hdl: IA142-KR
mnt-by: MNT-KRNIC-AP
changed: hostmaster[at]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: Seoul Gwanak-gu Gwanak-ro
address: 1
country: KR
phone: +82-2-882-5363
e-mail: kindman[at]kren.kr
nic-hdl: IM142-KR
mnt-by: MNT-KRNIC-AP
changed: hostmaster[at]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

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-JP1)