These entries are queried from radb.net using whois, you can try my project getting these.
:AS45983 route: 223.195.128.0/22 descr: seokyeong university origin: AS45983 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20120419 #11:30:52Z source: RADB last-modified: 2023-11-13T16:15:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 223.195.132.0/22 descr: seokyeong university origin: AS45983 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20120419 #11:32:19Z source: RADB last-modified: 2023-11-13T16:15:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 223.195.136.0/22 descr: seokyeong university origin: AS45983 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20120419 #11:33:10Z source: RADB last-modified: 2023-11-13T16:15:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 223.195.140.0/22 descr: seokyeong university origin: AS45983 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20120419 #11:34:10Z source: RADB last-modified: 2023-11-13T16:15:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 223.195.144.0/24 descr: seokyeong university origin: AS45983 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20120419 #11:35:07Z source: RADB last-modified: 2023-11-13T16:15:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 223.195.145.0/24 descr: seokyeong university origin: AS45983 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20120419 #11:36:05Z source: RADB last-modified: 2023-11-13T16:15:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 223.195.146.0/24 descr: seokyeong university origin: AS45983 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20120419 #11:37:11Z source: RADB last-modified: 2023-11-13T16:15:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source