These entries are queried from radb.net using whois, you can try my project getting these.
:AS263519 route: 191.243.240.0/22 descr: G8 Networks origin: AS263519 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20190913 source: RADB last-modified: 2023-11-13T15:57:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 191.243.240.0/24 descr: CLARO S.A. Customer origin: AS263519 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230927 source: RADB last-modified: 2023-11-13T16:18:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 191.243.242.0/24 descr: CLARO S.A. Customer origin: AS263519 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230919 source: RADB last-modified: 2023-11-13T16:18:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:132c::/32 descr: Solicitada por Vegas Telecom para su cliente MINAS NOVA TELECOM origin: AS263519 mnt-by: MAINT-AS18678 changed: adminred [at] internexa.com 20140203 #21:44:11Z source: RADB last-modified: 2023-11-13T15:45:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source