route: 121.53.0.0/16
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: 121.53.0.0/16
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 20060707
source: NTTCOM
rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source

route: 121.53.0.0/16
descr: Proxy-Registered Route Object by LG Dacom(AS3786)
origin: AS9457
remarks: This route object is for a LG 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 LG 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 20080121
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: 121.53.0.0/16
descr: proxy for HANARO TELECOM route
origin: AS9457
mnt-by: MAINT-HANARO
changed: ce-support[at]us.ntt.net 20080504
source: NTTCOM
rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source

route: 121.53.0.0/16
descr: Proxy-registered route object
origin: AS9457
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: 121.53.128.0/17
descr: Proxy-Registered Route Object by LG Dacom(AS3786)
origin: AS9457
remarks: This route object is for a LG 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 LG 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 20080414
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: 121.53.128.0/17
descr: proxy for HANARO TELECOM route
origin: AS9457
mnt-by: MAINT-HANARO
changed: ce-support[at]us.ntt.net 20100107
source: NTTCOM
rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source

route: 121.53.221.0/24
origin: AS10158
descr: Kakao
mnt-by: MAINT-AS9318
changed: ipnoc[at]skbroadband.com 20250930 # 05:22 GMT
source: RADB
last-modified: 2025-09-30T05:22:24Z
rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source

route: 121.53.221.0/24
origin: AS18160
descr: KAKAO
mnt-by: MAINT-AS10158
changed: netops[at]kakaocorp.com 20240104 # 0917Z
source: RADB
last-modified: 2025-02-03T08:00:04Z
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 '121.53.0.0 - 121.53.255.255'

% Abuse contact for '121.53.0.0 - 121.53.255.255' is 'irt[at]nic.or.kr'

inetnum: 121.53.0.0 - 121.53.255.255
netname: DREAMX
descr: DREAMLINE CO.
admin-c: IM683-AP
tech-c: IM683-AP
country: KR
status: ALLOCATED PORTABLE
mnt-by: MNT-KRNIC-AP
mnt-irt: IRT-KRNIC-KR
last-modified: 2017-02-02T06:40:58Z
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 Guro-gu Digital-ro 31-gil 61
country: KR
phone: +82-2-6007-6215
e-mail: ip[at]dreamline.co.kr
nic-hdl: IM683-AP
mnt-by: MNT-KRNIC-AP
last-modified: 2025-06-02T00:22:02Z
source: APNIC

% Information related to '121.53.0.0 - 121.53.255.255'

inetnum: 121.53.0.0 - 121.53.255.255
netname: DREAMX-KR
descr: DREAMLINE CO.
country: KR
admin-c: IA70-KR
tech-c: IA70-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 Guro-gu Digital-ro 31-gil 61
address: 8F DREAMMARK1 Data Center
country: KR
phone: +82-2-6007-6215
e-mail: ip[at]dreamline.co.kr
nic-hdl: IA70-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-JP1)