These entries are queried from radb.net using whois, you can try my project getting these.
:AS263651 route: 138.219.64.0/22 descr: G8 Customer Proxy Route origin: AS263651 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20210326 source: RADB last-modified: 2023-11-13T16:05:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.74.176.0/22 descr: G8 Customer Proxy Route origin: AS263651 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20210326 source: RADB last-modified: 2023-11-13T16:05:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:10d8::/32 descr: PROXY FOR OPENX CUSTOMER origin: AS263651 mnt-by: MAINT-AS263444 notify: registro [at] openx.com.br changed: registro [at] openx.com.br 20210518 remarks: Tue May 18 14:20:37 2021 source: RADB last-modified: 2023-11-13T16:05:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:10db::/32 descr: G8 Customer Proxy Route origin: AS263651 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20210326 source: RADB last-modified: 2023-11-13T16:05:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source