These entries are queried from radb.net using whois, you can try my project getting these.
:AS18335 route: 203.246.40.0/22 descr: contact noc [at] bora.net if necessary origin: AS18335 mnt-by: MAINT-AS3786 changed: yuncheol [at] bora.net 20030107 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: 210.110.64.0/22 descr: contact noc [at] bora.net if necessary origin: AS18335 mnt-by: MAINT-AS3786 changed: yuncheol [at] bora.net 20030107 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: 210.110.68.0/23 descr: contact noc [at] bora.net if necessary origin: AS18335 mnt-by: MAINT-AS3786 changed: yuncheol [at] bora.net 20030107 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: 220.67.240.0/23 descr: contact noc [at] bora.net if necessary origin: AS18335 mnt-by: MAINT-AS3786 changed: yuncheol [at] bora.net 20030107 source: RADB last-modified: 2023-11-13T16:09:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source