These entries are queried from radb.net using whois, you can try my project getting these.
:AS270728 route: 187.102.232.0/22 descr: UP TELECOMUNICACOES DO BRASIL LTDA ME origin: AS270728 mnt-by: MAINT-AS270728 changed: junior [at] routerx.net.br 20200615 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 187.102.232.0/23 descr: UP TELECOMUNICACOES DO BRASIL LTDA ME origin: AS270728 mnt-by: MAINT-AS270728 changed: junior [at] routerx.net.br 20200615 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 187.102.232.0/24 descr: UP TELECOMUNICACOES DO BRASIL LTDA ME origin: AS270728 mnt-by: MAINT-AS270728 changed: junior [at] routerx.net.br 20200615 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 187.102.233.0/24 descr: UP TELECOMUNICACOES DO BRASIL LTDA ME origin: AS270728 mnt-by: MAINT-AS270728 changed: junior [at] routerx.net.br 20200615 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 187.102.234.0/23 descr: UP TELECOMUNICACOES DO BRASIL LTDA ME origin: AS270728 mnt-by: MAINT-AS270728 changed: junior [at] routerx.net.br 20200615 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 187.102.234.0/24 descr: UP TELECOMUNICACOES DO BRASIL LTDA ME origin: AS270728 mnt-by: MAINT-AS270728 changed: junior [at] routerx.net.br 20200615 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 187.102.235.0/24 descr: UP TELECOMUNICACOES DO BRASIL LTDA ME origin: AS270728 mnt-by: MAINT-AS270728 changed: junior [at] routerx.net.br 20200615 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:7078::/32 descr: UP TELECOMUNICACOES DO BRASIL LTDA ME origin: AS270728 mnt-by: MAINT-AS270728 changed: junior [at] routerx.net.br 20200615 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:7078::/32 descr: G8 Customer Proxy Route origin: AS270728 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20200521 source: RADB last-modified: 2023-11-13T16:00:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source