These entries are queried from radb.net using whois, you can try my project getting these.
:AS270349 route: 190.83.52.0/22 origin: AS270349 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: paulo [at] uranox.com.br mnt-by: MAINT-AS270349 source: TC last-modified: 2022-05-23T12:15:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 190.83.52.0/22 descr: G8 Customer Proxy Route origin: AS270349 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20210118 source: RADB last-modified: 2023-11-13T16:03:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 190.83.52.0/24 descr: G8 Customer Proxy Route origin: AS270349 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20210310 source: RADB last-modified: 2023-11-13T16:05:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:6aa0::/32 origin: AS270349 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: paulo [at] uranox.com.br mnt-by: MAINT-AS270349 source: TC last-modified: 2022-05-23T12:15:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:6aa0::/32 descr: G8 Customer Proxy Route origin: AS270349 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20210310 source: RADB last-modified: 2023-11-13T16:05:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source