These entries are queried from radb.net using whois, you can try my project getting these.
:AS58283 route: 91.240.73.0/24 descr: IAT via EMIX origin: AS58283 notify: noc [at] emix.net.ae mnt-by: MAINT-AS8966 changed: noc [at] emix.net.ae 20121009 source: RADB last-modified: 2023-11-13T15:44:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source