route: 203.253.240.0/21
descr: contact hspark[at]kordic.re.kr if necessary
origin: AS1237
mnt-by: MAINT-AS3786
changed: yuncheol[at]bora.net 20011223
source: RADB
last-modified: 2023-11-13T16:09:27Z
rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source

route: 203.253.240.0/21
descr: REACH (Customer Route)
tech-c: RRNOC1-REACH
origin: AS9318
notify: irr[at]team.telstra.com
mnt-by: MAINT-REACH-NOC
changed: irr[at]team.telstra.com 20040604
source: REACH
rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source

route: 203.253.240.0/21
descr: SejongTelecom.co.ltd
origin: AS9637
mnt-by: MAINT-AS4670
changed: network[at]sejongtelecom.net 20201231
source: RADB
last-modified: 2023-11-13T16:03:10Z
rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source

route: 203.253.247.0/24
descr: proxy for HANARO TELECOM route
origin: AS1237
mnt-by: MAINT-HANARO
changed: ce-support[at]us.ntt.net 20100812
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 '203.253.240.0 - 203.253.247.255'

% Abuse contact for '203.253.240.0 - 203.253.247.255' is 'irt[at]nic.or.kr'

inetnum: 203.253.240.0 - 203.253.247.255
netname: KBSC-NET
descr: Korea Basic Science Institute
admin-c: IM781-AP
tech-c: IM781-AP
country: KR
status: ALLOCATED PORTABLE
mnt-by: MNT-KRNIC-AP
mnt-irt: IRT-KRNIC-KR
last-modified: 2017-01-24T05:45:46Z
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: Daejeon Yuseong-gu Gwahak-ro 169-148
country: KR
phone: +82-42-865-3577
e-mail: ymkwon[at]kbsi.re.kr
nic-hdl: IM781-AP
mnt-by: MNT-KRNIC-AP
last-modified: 2022-09-23T00:04:03Z
source: APNIC

% Information related to '203.253.240.0 - 203.253.247.255'

inetnum: 203.253.240.0 - 203.253.247.255
netname: KBSC-NET-KR
descr: Korea Basic Science Institute
country: KR
admin-c: AM61-KR
tech-c: JC61-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: Daejeon Yuseong-gu Gwahak-ro 169-148
address: 125 UeunDong Yusung-Gu, Daejeon
country: KR
phone: +82-42-865-3577
e-mail: ymkwon[at]kbsi.re.kr
nic-hdl: AM61-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: Daejeon Yuseong-gu Gwahak-ro 169-148
address: 125 UeunDong Yusung-Gu, Daejeon
country: KR
phone: +82-42-865-3577
e-mail: ymkwon[at]kbsi.re.kr
nic-hdl: JC61-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)