These entries are queried from radb.net using whois, you can try my project getting these.
:AS393712 route: 192.81.89.0/24 descr: NET-192-81-89-0-1 origin: AS393712 remarks: Proxy route on behalf of ENTREC Corporation mnt-by: MAINT-AS852 notify: backbone [at] telus.com changed: abuse [at] telus.com 20160628 source: RADB last-modified: 2023-11-13T15:49:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source