These entries are queried from radb.net using whois, you can try my project getting these.
:AS268900 route: 38.252.228.0/23 origin: AS268900 descr: Route Registered for Cogent Communications Customer - GIGAfy - Reabra Tecnologia Para Administrao de Redes Ltda geoidx: BR mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20230809 #17:08:31Z source: RADB last-modified: 2023-11-13T16:18:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.175.104.0/22 descr: PROXY FOR CUSTOMER REDEBANDALARGA origin: AS268900 mnt-by: MAINT-AS263877 notify: junior [at] routerx.net.br changed: junior [at] routerx.net.br 20201026 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.175.104.0/22 origin: AS268900 descr: Reabra Tecnologia Para Administrao de Redes Ltda - HOST mnt-by: MAINT-AS53231 changed: ton [at] grupohost.com.br 20191007 #22:31:59Z source: RADB last-modified: 2023-11-13T15:58:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:5c4c::/32 origin: AS268900 descr: CUSTOMER Reabra Tecnologia Para Administrao de Redes Ltda mnt-by: MAINT-AS28598 changed: saimo.santos [at] mobtelecom.com.br 20191031 #19:50:15Z source: RADB last-modified: 2023-11-13T16:12:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source