These entries are queried from radb.net using whois, you can try my project getting these.
:AS12136 route: 200.229.248.0/23 descr: Registro.BR Network (E.DNS.BR) origin: AS12136 notify: noc [at] registro.br mnt-by: MAINT-AS22548 changed: noc [at] registro.br 20170810 source: RADB last-modified: 2023-11-13T15:51:19Z rpki-ov-state: valid route: 200.229.248.0/24 descr: Registro.BR Network (E.DNS.BR) origin: AS12136 notify: noc [at] registro.br mnt-by: MAINT-AS22548 changed: noc [at] registro.br 20070531 changed: noc [at] registro.br 20111226 source: RADB last-modified: 2023-11-13T15:41:56Z rpki-ov-state: valid route: 200.229.249.0/24 descr: Registro.BR Network (E.DNS.BR) origin: AS12136 notify: noc [at] registro.br mnt-by: MAINT-AS22548 changed: noc [at] registro.br 20170810 source: RADB last-modified: 2023-11-13T15:51:19Z rpki-ov-state: valid route6: 2001:12f8:1::/48 descr: Registro.BR Network (E-DNS-BR) origin: AS12136 notify: noc [at] registro.br mnt-by: MAINT-AS22548 changed: noc [at] registro.br 20111226 source: RADB last-modified: 2023-11-13T15:41:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:12f8:1::/64 descr: Registro.BR Network (E-DNS-BR) origin: AS12136 notify: noc [at] registro.br mnt-by: MAINT-AS22548 changed: noc [at] registro.br 20170821 source: RADB last-modified: 2023-11-13T15:51:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:12f8:2::/47 origin: AS12136 descr: Registro.BR Network (E-DNS-BR) mnt-by: MAINT-AS22548 changed: noc [at] registro.br 20190820 #17:25:40Z source: RADB last-modified: 2023-11-13T15:57:04Z rpki-ov-state: valid route6: 2001:12f8:2::/48 descr: Registro.BR Network (E-DNS-BR) origin: AS12136 notify: noc [at] registro.br mnt-by: MAINT-AS22548 changed: noc [at] registro.br 20180328 #22:34:33Z source: RADB last-modified: 2023-11-13T15:53:23Z rpki-ov-state: valid route6: 2001:12f8:3::/48 descr: Registro.BR Network (E-DNS-BR) origin: AS12136 notify: noc [at] registro.br mnt-by: MAINT-AS22548 changed: noc [at] registro.br 20180328 #22:35:36Z source: RADB last-modified: 2023-11-13T15:53:23Z rpki-ov-state: valid