These entries are queried from radb.net using whois, you can try my project getting these.
:AS393877 route: 192.133.45.0/24 descr: BAYCREST origin: AS393877 notify: noc [at] orion.on.ca mnt-by: ORANO-MNT created: 2024-01-19T03:15:34Z last-modified: 2024-01-19T03:15:34Z source: CANARIE rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.133.45.0/24 origin: AS393877 descr: Toronto Canada admin-c: TECHN1253-ARIN tech-c: TECHN1253-ARIN mnt-by: MNT-BCGC-2 created: 2022-06-15T14:12:42Z last-modified: 2022-06-15T14:12:42Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.133.45.0/24 origin: AS393877 descr: Proxy registration on behalf of Baycrest mnt-by: MAINT-AS23498 changed: radb-admin [at] cogecodata.com 20201021 #02:57:31Z source: RADB last-modified: 2023-11-13T16:02:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source