These entries are queried from radb.net using whois, you can try my project getting these.
:AS55612 route: 210.110.72.0/21 descr: SuWon Uni origin: AS55612 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20110921 #11:44:31Z source: RADB last-modified: 2023-11-13T16:15:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.119.132.0/24 descr: SuWon Uni origin: AS55612 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20110921 #11:45:52Z source: RADB last-modified: 2023-11-13T16:15:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.119.133.0/24 descr: SuWon Uni origin: AS55612 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20110921 #11:46:38Z source: RADB last-modified: 2023-11-13T16:15:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.119.143.0/24 descr: SuWon Uni origin: AS55612 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20110921 #11:48:11Z source: RADB last-modified: 2023-11-13T16:15:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source