These entries are queried from radb.net using whois, you can try my project getting these.
:AS22893 route: 161.184.8.0/24 descr: Proxy Addition remarks: Added by Shaw on behalf of customer origin: AS22893 notify: ipadmin-sbs [at] sjrb.ca mnt-by: MAINT-AS6327 changed: ipadmin-sbs [at] sjrb.ca 20240116 source: RADB last-modified: 2024-03-05T21:00:07Z rpki-ov-state: valid