These entries are queried from radb.net using whois, you can try my project getting these.
:AS265137 route: 143.208.244.0/22 descr: G8 Customer Proxy Route origin: AS265137 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20230828 source: RADB last-modified: 2023-11-13T16:18:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.208.244.0/22 descr: PROXY FOR OUR CUSTOMER CONE origin: AS265137 mnt-by: MAINT-AS268200 changed: noc [at] liveinternet.com.br 20240416 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2b24::/32 descr: G8 Customer Proxy Route origin: AS265137 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20230828 source: RADB last-modified: 2023-11-13T16:18:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source