These entries are queried from radb.net using whois, you can try my project getting these.
:AS270801 route: 200.219.48.0/22 origin: AS270801 descr: CUSTOMER Suburbio Digital mnt-by: MAINT-AS28598 changed: saimo.santos [at] mobtelecom.com.br 20200610 #18:49:05Z source: RADB last-modified: 2023-11-13T16:12:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.219.48.0/23 descr: Proxy Object : Cliente ITS_Transito IP: Subrbio Digital origin: AS270801 mnt-by: MAINT-AS28186 changed: wesly [at] itsbrasil.net 20200717 #15:45:09Z source: RADB last-modified: 2023-11-13T16:01:13Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.219.48.0/24 descr: Proxy Object : Cliente ITS_Transito IP: Subrbio Digital origin: AS270801 mnt-by: MAINT-AS28186 changed: wesly [at] itsbrasil.net 20200717 #15:45:09Z source: RADB last-modified: 2023-11-13T16:01:13Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.219.49.0/24 descr: Proxy Object : Cliente ITS_Transito IP: Subrbio Digital origin: AS270801 mnt-by: MAINT-AS28186 changed: wesly [at] itsbrasil.net 20200717 #15:45:09Z source: RADB last-modified: 2023-11-13T16:01:13Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.219.50.0/23 descr: Proxy Object : Cliente ITS_Transito IP: Subrbio Digital origin: AS270801 mnt-by: MAINT-AS28186 changed: wesly [at] itsbrasil.net 20200717 #15:45:09Z source: RADB last-modified: 2023-11-13T16:01:13Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.219.50.0/24 descr: Proxy Object : Cliente ITS_Transito IP: Subrbio Digital origin: AS270801 mnt-by: MAINT-AS28186 changed: wesly [at] itsbrasil.net 20200717 #15:45:09Z source: RADB last-modified: 2023-11-13T16:01:13Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.219.51.0/24 descr: Proxy Object : Cliente ITS_Transito IP: Subrbio Digital origin: AS270801 mnt-by: MAINT-AS28186 changed: wesly [at] itsbrasil.net 20200717 #15:45:09Z source: RADB last-modified: 2023-11-13T16:01:13Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:71a0::/32 origin: AS270801 descr: CUSTOMER Suburbio Digital mnt-by: MAINT-AS28598 changed: saimo.santos [at] mobtelecom.com.br 20200610 #18:49:41Z source: RADB last-modified: 2023-11-13T16:12:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source