These entries are queried from radb.net using whois, you can try my project getting these.
:AS262631 route6: 2804:740::/32 descr: Cemig origin: AS262631 mnt-by: MAINT-AS18678 changed: adminred [at] internexa.com 20170203 #13:53:20Z source: RADB last-modified: 2023-11-13T15:50:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source