route: 121.55.128.0/18
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 20060620
source: NTTCOM
rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source

route: 121.55.128.0/18
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: 121.55.128.0/18
descr: Sejong Telecom
origin: AS9781
mnt-by: MAINT-AS4766
changed: nw[at]kornet.net 20100722
source: RADB
last-modified: 2023-11-13T16:15:44Z
rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source

route: 121.55.128.0/18
descr: SKNETWORKS
origin: AS9781
notify: ip-tech[at]sknetworks.co.kr
notify: korea-ip-gl[at]ntt.com
mnt-by: MAINT-SKNETWORKS
changed: ip-tech[at]sknetworks.co.kr 20060608
source: NTTCOM
rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source

route: 121.55.176.0/20
descr: Proxy-registered route object
origin: AS9781
remarks: auto-generated route object
remarks: this next line gives the robot something to recognize
remarks: L'enfer, c'est les autres
remarks:
remarks: This route object is for a Level 3 customer route
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, and
remarks: since some Level 3 peers filter based on these objects
remarks: this route may be rejected if this object is not created.
remarks:
remarks: Please contact dl-routing[at]lumen.com if you have any
remarks: questions regarding this object.
mnt-by: LEVEL3-MNT
changed: roy[at]Level3.net 20060929
source: LEVEL3
rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source

route: 121.55.176.0/20
descr: Sejong Telecom
origin: AS9781
mnt-by: MAINT-AS4766
changed: nw[at]kornet.net 20100722
source: RADB
last-modified: 2023-11-13T16:15:44Z
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 '121.55.64.0 - 121.55.191.255'

% Abuse contact for '121.55.64.0 - 121.55.191.255' is 'irt[at]nic.or.kr'

inetnum: 121.55.64.0 - 121.55.191.255
netname: GCS
descr: GREEN CABLE TELEVISION STATION
admin-c: IM706-AP
tech-c: IM706-AP
country: KR
status: ALLOCATED PORTABLE
mnt-by: MNT-KRNIC-AP
mnt-irt: IRT-KRNIC-KR
last-modified: 2017-02-02T01:24:38Z
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: Daegu Dalseo-gu Dalgubeol-daero 1611
country: KR
phone: +82-53-551-2009
e-mail: ys0964[at]gcs.co.kr
nic-hdl: IM706-AP
mnt-by: MNT-KRNIC-AP
last-modified: 2024-11-15T08:44:04Z
source: APNIC

% Information related to '121.55.64.0 - 121.55.191.255'

inetnum: 121.55.64.0 - 121.55.191.255
netname: GCS-KR
descr: GREEN CABLE TELEVISION STATION
country: KR
admin-c: KW472-KR
tech-c: KD472-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: Daegu Dalseo-gu Dalgubeol-daero 1611
address: gamsamdong
country: KR
phone: +82-53-551-2009
e-mail: ys0964[at]gcs.co.kr
nic-hdl: KD472-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: Daegu Dalseo-gu Dalgubeol-daero 1611
address: gamsamdong
country: KR
phone: +82-53-551-2009
e-mail: ys0964[at]gcs.co.kr
nic-hdl: KW472-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

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-SG1)