These entries are queried from radb.net using whois, you can try my project getting these.
:AS262537 route6: 2804:5c0::/32 descr: DataSafeIT Soluções em Tecnologia Company Inc origin: AS262537 mnt-by: MAINT-AS268666 changed: contato [at] s4networks.com.br 20220812 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:5c0::/32 descr: CLARO S.A. Customer origin: AS262537 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230207 source: RADB last-modified: 2023-11-13T16:14:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source