These entries are queried from radb.net using whois, you can try my project getting these.
:AS270710 route: 177.152.120.0/22 origin: AS270710 descr: Centro de Computa????o da Aeron??utica de Bras??lia mnt-by: MAINT-AS28260 changed: roniele.araujo [at] altarede.com.br 20200523 #01:39:41Z source: RADB last-modified: 2023-11-13T16:05:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.152.120.0/24 descr: CLARO S.A. Customer origin: AS270710 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20220314 source: RADB last-modified: 2023-11-13T16:10:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:1f44::/32 origin: AS270710 descr: Centro de Computa????o da Aeron??utica de Bras??lia mnt-by: MAINT-AS28260 changed: roniele.araujo [at] altarede.com.br 20200523 #01:40:25Z source: RADB last-modified: 2023-11-13T16:05:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source