These entries are queried from radb.net using whois, you can try my project getting these.
:AS264478 route6: 2804:2038::/32 origin: AS264478 descr: EXPLORER_BARRETOS mnt-by: MAINT-AS22381 changed: alisson.david [at] megatelecom.com.br 20220316 #19:13:10Z source: RADB last-modified: 2023-11-13T16:10:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source