These entries are queried from radb.net using whois, you can try my project getting these.
:AS263402 route: 143.137.232.0/22 descr: G8 Customer Proxy Route origin: AS263402 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20200507 source: RADB last-modified: 2023-11-13T16:00:38Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.222.228.0/22 descr: G8 Customer Proxy Route origin: AS263402 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20200507 source: RADB last-modified: 2023-11-13T16:00:38Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:15ac::/32 descr: G8 Networks origin: AS263402 mnt-by: MAINT-AS28329 changed: aldo.russo [at] g8.net.br 20160324 source: RADB last-modified: 2023-11-13T15:48:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source