These entries are queried from radb.net using whois, you can try my project getting these.
:AS18324 route: 203.228.104.0/24 descr: contact noc [at] bora.net if necessary origin: AS18324 mnt-by: MAINT-AS3786 changed: yuncheol [at] bora.net 20021227 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: 210.105.118.0/23 descr: contact noc [at] bora.net if necessary origin: AS18324 mnt-by: MAINT-AS3786 changed: yuncheol [at] bora.net 20021227 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: 210.113.147.0/24 descr: contact noc [at] bora.net if necessary origin: AS18324 mnt-by: MAINT-AS3786 changed: yuncheol [at] bora.net 20021227 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: 218.147.38.0/24 descr: contact noc [at] bora.net if necessary origin: AS18324 mnt-by: MAINT-AS3786 changed: yuncheol [at] bora.net 20021227 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: 220.68.36.0/22 descr: contact noc [at] bora.net if necessary origin: AS18324 mnt-by: MAINT-AS3786 changed: yuncheol [at] bora.net 20021227 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: 220.68.40.0/24 descr: contact noc [at] bora.net if necessary origin: AS18324 mnt-by: MAINT-AS3786 changed: yuncheol [at] bora.net 20021227 source: RADB last-modified: 2023-11-13T16:09:28Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source