These entries are queried from radb.net using whois, you can try my project getting these.
:AS272484 route6: 2804:81e4::/32 origin: AS272484 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: luciano.souzaneto [at] yahoo.com.br mnt-by: MAINT-AS272484 source: TC last-modified: 2021-09-01T19:39:04Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source