These entries are queried from radb.net using whois, you can try my project getting these.
:AS53904 route: 162.244.229.0/24 descr: Proxy Addition remarks: Added by Shaw on behalf of customer origin: AS53904 notify: ipadmin-sbs [at] sjrb.ca mnt-by: MAINT-AS6327 changed: ipadmin-sbs [at] sjrb.ca 20200707 source: RADB last-modified: 2024-03-05T21:00:07Z rpki-ov-state: valid route: 205.189.33.0/24 descr: CANARIE NOC/CANARIE Office origin: AS53904 notify: eng [at] canarie.ca mnt-by: CANARIE-MNT changed: unread [at] ripe.net 20000101 source: CANARIE rpki-ov-state: valid route6: 2001:410:102::/48 descr: CANARIE NOC/CANARIE descr: CANARIE - Canadian Research and Education Network origin: AS53904 mnt-by: CANARIE-MNT changed: unread [at] ripe.net 20000101 source: CANARIE rpki-ov-state: valid route6: 2001:470:229::/48 origin: AS53904 descr: NET-2001-470-229---48-AS53904 admin-c: ZH17-ARIN tech-c: ZH17-ARIN mnt-by: MNT-HURC source: ARIN created: 2023-11-22T02:45:13Z last-modified: 2023-11-22T02:45:13Z rpki-ov-state: valid