These entries are queried from radb.net using whois, you can try my project getting these.
:AS18294 route: 122.202.32.0/20 descr: Customer of AS4670 origin: AS18294 mnt-by: MAINT-AS4670 changed: lsb5975 [at] onsetel.co.kr 20080109 source: RADB last-modified: 2023-11-13T15:39:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.228.171.0/24 descr: AS 18294(Sejong) origin: AS18294 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20180903 #06:53:32Z source: RADB last-modified: 2023-11-13T15:54:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.228.172.0/24 descr: Proxy-Registered Route Object by LG Dacom(AS3786) origin: AS18294 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 20081217 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: 203.228.173.0/24 descr: AS18294 origin: AS18294 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20160526 #08:49:56Z source: RADB last-modified: 2023-11-13T15:49:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.53.56.0/24 descr: Proxy-Registered Route Object by LG Dacom(AS3786) origin: AS18294 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 20061222 source: RADB last-modified: 2023-11-13T16:09:28Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.53.56.0/25 descr: SeJong Telecom origin: AS18294 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20110327 source: RADB last-modified: 2023-11-13T16:15:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source