These entries are queried from radb.net using whois, you can try my project getting these.
:AS263257 route: 191.37.255.0/24 descr: G8 Networks origin: AS263257 mnt-by: MAINT-AS28329 changed: aldo.russo [at] g8.net.br 20151030 source: RADB last-modified: 2023-11-13T15:48:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2801:80:a70::/48 descr: G8 Networks origin: AS263257 mnt-by: MAINT-AS28329 changed: aldo.russo [at] g8.net.br 20151030 source: RADB last-modified: 2023-11-13T15:48:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source