These entries are queried from radb.net using whois, you can try my project getting these.
:AS268603 route: 45.161.148.0/22 origin: AS268603 descr: PROXY FOR CUSTOMER mnt-by: MAINT-AS267484 changed: cse [at] metronetwork.com.br 20231017 source: RADB last-modified: 2023-11-13T16:19:03Z rpki-ov-state: valid route: 45.161.148.0/23 origin: AS268603 descr: PROXY FOR CUSTOMER mnt-by: MAINT-AS267484 changed: cse [at] metronetwork.com.br 20231017 source: RADB last-modified: 2023-11-13T16:19:03Z rpki-ov-state: valid route: 45.161.148.0/24 origin: AS268603 descr: PROXY FOR CUSTOMER mnt-by: MAINT-AS267484 changed: cse [at] metronetwork.com.br 20231016 source: RADB last-modified: 2023-11-13T16:19:00Z rpki-ov-state: valid route: 45.161.149.0/24 origin: AS268603 descr: PROXY FOR CUSTOMER mnt-by: MAINT-AS267484 changed: cse [at] metronetwork.com.br 20231016 source: RADB last-modified: 2023-11-13T16:19:00Z rpki-ov-state: valid route: 45.161.150.0/23 origin: AS268603 descr: PROXY FOR CUSTOMER mnt-by: MAINT-AS267484 changed: cse [at] metronetwork.com.br 20240131 # 2116Z source: RADB last-modified: 2024-01-31T21:16:09Z rpki-ov-state: valid route: 45.161.150.0/24 origin: AS268603 descr: PROXY FOR CUSTOMER mnt-by: MAINT-AS267484 changed: cse [at] metronetwork.com.br 20231016 source: RADB last-modified: 2023-11-13T16:19:00Z rpki-ov-state: valid route: 45.161.151.0/24 origin: AS268603 descr: PROXY FOR CUSTOMER mnt-by: MAINT-AS267484 changed: cse [at] metronetwork.com.br 20231016 source: RADB last-modified: 2023-11-13T16:19:00Z rpki-ov-state: valid route6: 2804:53bc::/32 descr: G8 Customer Proxy Route origin: AS268603 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20211104 source: RADB last-modified: 2023-11-13T16:08:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source