These entries are queried from radb.net using whois, you can try my project getting these.
:AS53035 route: 200.219.148.0/24 descr: Registro.BR Network (A.DNS.BR) origin: AS53035 notify: noc [at] registro.br mnt-by: MAINT-AS22548 changed: noc [at] registro.br 20160510 #12:42:49Z source: RADB last-modified: 2023-11-13T15:49:08Z rpki-ov-state: valid route6: 2001:12f8:6::/47 origin: AS53035 descr: Registro.BR Network (A.DNS.BR) mnt-by: MAINT-AS22548 changed: noc [at] registro.br 20190725 #19:47:10Z source: RADB last-modified: 2023-11-13T15:56:46Z rpki-ov-state: valid route6: 2001:12f8:6::/48 origin: AS53035 descr: Registro.BR Network (A.DNS.BR) mnt-by: MAINT-AS22548 changed: noc [at] registro.br 20190725 #19:46:34Z source: RADB last-modified: 2023-11-13T15:56:46Z rpki-ov-state: valid route6: 2001:12f8:7::/48 origin: AS53035 descr: Registro.BR Network (A.DNS.BR) mnt-by: MAINT-AS22548 changed: noc [at] registro.br 20190725 #19:44:32Z source: RADB last-modified: 2023-11-13T15:56:46Z rpki-ov-state: valid