These entries are queried from radb.net using whois, you can try my project getting these.
:AS61570 route6: 2804:3ec::/32 origin: AS61570 descr: CUSTOMER ENTERIW PROVEDOR DE INTERNET LTDA mnt-by: MAINT-AS28598 changed: saimo.santos [at] mobtelecom.com.br 20191216 #16:37:56Z source: RADB last-modified: 2023-11-13T16:12:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source