These entries are queried from radb.net using whois, you can try my project getting these.
:AS267090 route: 45.229.0.0/22 descr: CLARO S.A. Customer origin: AS267090 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20231110 source: RADB last-modified: 2023-11-13T16:19:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:47fc::/32 descr: G8 Customer Proxy Route origin: AS267090 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20200713 source: RADB last-modified: 2023-11-13T16:01:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source