These entries are queried from radb.net using whois, you can try my project getting these.
:AS268453 route: 45.161.56.0/22 origin: AS268453 descr: Cliente Brisanet - Adalberto G Nogueira ME mnt-by: MAINT-AS28126 changed: noc [at] brisanet.com.br 20200714 #17:34:44Z source: RADB last-modified: 2023-11-13T16:09:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:5174::/32 origin: AS268453 descr: Cliente Brisanet - Adalberto Gon??alves Nogueira Me mnt-by: MAINT-AS28126 changed: noc [at] brisanet.com.br 20200715 #15:44:56Z source: RADB last-modified: 2023-11-13T16:09:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source