These entries are queried from radb.net using whois, you can try my project getting these.
:AS40854 route: 192.81.66.0/24 descr: Proxy Addition remarks: Added by Shaw on behalf of customer origin: AS40854 notify: ipadmin-sbs [at] sjrb.ca mnt-by: MAINT-AS6327 changed: ipadmin-sbs [at] sjrb.ca 20200630 source: RADB last-modified: 2024-03-05T21:00:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source