These entries are queried from radb.net using whois, you can try my project getting these.
:AS264032 route: 143.137.56.0/22 descr: G8 Networks origin: AS264032 mnt-by: MAINT-AS28329 changed: aldo.russo [at] g8.net.br 20170509 source: RADB last-modified: 2023-11-13T15:51:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.137.56.0/23 descr: G8 Customer Proxy Route origin: AS264032 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20230828 source: RADB last-modified: 2023-11-13T16:18:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.137.57.0/24 descr: CLARO S.A. Customer origin: AS264032 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20240405 source: RADB last-modified: 2024-04-05T14:05:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.137.58.0/24 descr: CLARO S.A. Customer origin: AS264032 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20221201 source: RADB last-modified: 2023-11-13T16:13:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.137.59.0/24 descr: CLARO S.A. Customer origin: AS264032 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20221201 source: RADB last-modified: 2023-11-13T16:13:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:29c0::/32 origin: AS264032 descr: ITX-ULTRA mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20220608 #18:28:22Z source: RADB last-modified: 2023-11-13T16:11:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:29c0:c000::/34 origin: AS264032 descr: TopLink Informatica LTDA mnt-by: MAINT-AS28260 changed: yuri.muller [at] altarede.com.br 20210128 #14:48:28Z source: RADB last-modified: 2023-11-13T16:05:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source