These entries are queried from radb.net using whois, you can try my project getting these.
:AS18336 route: 203.230.128.0/22 descr: contact noc [at] bora.net if necessary origin: AS18336 mnt-by: MAINT-AS3786 changed: yuncheol [at] bora.net 20021231 source: RADB last-modified: 2023-11-13T16:09:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.246.74.0/24 descr: Proxy-Registered Route Object by DACOM(AS3786) origin: AS18336 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: 2023-11-13T16:09:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.171.184.0/24 descr: AS 18336 origin: AS18336 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20180727 #05:15:48Z source: RADB last-modified: 2023-11-13T15:54:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 220.66.187.0/24 descr: contact noc [at] bora.net if necessary origin: AS18336 mnt-by: MAINT-AS3786 changed: yuncheol [at] bora.net 20021231 source: RADB last-modified: 2023-11-13T16:09:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 220.66.188.0/22 descr: contact noc [at] bora.net if necessary origin: AS18336 mnt-by: MAINT-AS3786 changed: yuncheol [at] bora.net 20021231 source: RADB last-modified: 2023-11-13T16:09:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source