These entries are queried from radb.net using whois, you can try my project getting these.
:AS9491 route: 58.120.204.0/22 descr: Proxy-Registered Route Object by DACOM(AS3786) origin: AS9491 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: 2023-11-13T16:09:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.234.212.0/24 origin: AS9491 descr: National Information & Credit Evaluation mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20190110 #07:02:35Z source: RADB last-modified: 2023-11-13T16:15:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.234.213.0/24 origin: AS9491 descr: National Information & Credit Evaluation mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20190110 #07:03:43Z source: RADB last-modified: 2023-11-13T16:15:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.180.5.160/27 descr: contact plaire [at] menics.com if necessary origin: AS9491 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