route: 203.243.128.0/17
descr: Sejong Telecom
origin: AS9848
mnt-by: MAINT-AS9318
changed: noc[at]skbroadband.com 20170215 #17:00:31Z
source: RADB
last-modified: 2023-11-13T15:50:50Z
rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source

route: 203.243.128.0/17
descr: REACH (Customer Route)
tech-c: RRNOC1-REACH
origin: AS9848
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 20050819
source: REACH
rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source

route: 203.243.237.0/24
descr: Proxy-Registered Route Object by DACOM(AS3786)
origin: AS9848
remarks: This route object is for a DACOM's customer route
remarks: which is being exported under this origin AS.
remarks:
remarks: This route object was automatically created to prevent
remarks: some DACOM peer from rejecting this route because
remarks: they may create their filter based on Route Registry DB.
notify: noc[at]bora.net
mnt-by: MAINT-AS3786
changed: yuncheol[at]bora.net 20050722
source: RADB
last-modified: 2023-11-13T16:09:32Z
rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source

route: 203.243.237.0/24
descr: Sejong Telecom
origin: AS18300
mnt-by: MAINT-AS4766
changed: nw[at]kornet.net 20100702 #05:11:27Z
source: RADB
last-modified: 2023-11-13T16:15:42Z
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 '203.243.128.0 - 203.243.255.255'

% Abuse contact for '203.243.128.0 - 203.243.255.255' is 'irt[at]nic.or.kr'

inetnum: 203.243.128.0 - 203.243.255.255
netname: SEJONG
descr: SEJONG NETWORKS
country: KR
admin-c: IM686-AP
tech-c: IM686-AP
status: ALLOCATED PORTABLE
mnt-by: MNT-KRNIC-AP
mnt-irt: IRT-KRNIC-KR
last-modified: 2024-09-10T08:50:06Z
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: 12 Gwacheon-daero 7-gil, Gwacheon-si, Gyeonggi-do
country: KR
phone: +82-2-1688-2200
e-mail: ip[at]sejongnetworks.com
nic-hdl: IM686-AP
mnt-by: MNT-KRNIC-AP
last-modified: 2024-09-10T08:42:02Z
source: APNIC

% Information related to '203.243.128.0 - 203.243.255.255'

inetnum: 203.243.128.0 - 203.243.255.255
netname: SEJONG-KR
descr: SEJONG NETWORKS
country: KR
admin-c: IA10-KR
tech-c: IM10-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: 12 Gwacheon-daero 7-gil, Gwacheon-si, Gyeonggi-do
address: (Galhyeondong)
country: KR
phone: +82-2-1688-2200
e-mail: ip[at]sejongnetworks.com
nic-hdl: IA10-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: 12 Gwacheon-daero 7-gil, Gwacheon-si, Gyeonggi-do
address: (Galhyeondong)
country: KR
phone: +82-2-1688-2200
e-mail: ip[at]sejongnetworks.com
nic-hdl: IM10-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-SG1)