These entries are queried from radb.net using whois, you can try my project getting these.
:AS46641 route: 192.68.163.0/24 descr: Niagara Catholic DSB prefix origin: AS46641 notify: cary.guatieri [at] orion.on.ca mnt-by: ORANO-MNT changed: unread [at] ripe.net 20000101 source: CANARIE rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.68.163.0/24 descr: Niagara Regional Broadband Network Ltd origin: AS46641 mnt-by: MAINT-AS852 changed: clinton.work [at] telus.com 20180423 #18:08:44Z source: RADB last-modified: 2023-11-13T15:53:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.40.64.0/23 descr: NIAGARA-CATHOLIC-DISTRICT-SCHOOL-BOARD origin: AS46641 notify: shiva.raj [at] orion.on.ca mnt-by: ORANO-MNT created: 2024-02-01T18:07:39Z last-modified: 2024-02-01T18:07:39Z source: CANARIE rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source