These entries are queried from radb.net using whois, you can try my project getting these.
:AS22548 route: 200.160.0.0/20 descr: Registro.BR Network origin: AS22548 notify: noc [at] registro.br mnt-by: MAINT-AS22548 changed: noc [at] registro.br 20030828 changed: noc [at] registro.br 20111226 source: RADB last-modified: 2023-11-13T15:41:56Z rpki-ov-state: valid route6: 2001:12ff::/32 descr: Registro.BR Network origin: AS22548 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: valid