These entries are queried from radb.net using whois, you can try my project getting these.
:AS271304 route: 200.53.68.0/22 descr: PROXY FOR CUSTOMER SALES TELECOM remarks: CONECT.COM - A.M.S DO NASCIMENTO origin: AS271304 mnt-by: MAINT-AS265113 notify: junior [at] routerx.net.br changed: junior [at] routerx.net.br 20211223 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.53.68.0/22 origin: AS271304 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: saveprovedor [at] gmail.com mnt-by: MAINT-AS271304 source: TC last-modified: 2021-12-16T16:42:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.53.68.0/22 descr: G8 Customer Proxy Route origin: AS271304 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20210315 source: RADB last-modified: 2023-11-13T16:05:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.53.71.0/24 descr: CLARO S.A. Customer origin: AS271304 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20220622 source: RADB last-modified: 2023-11-13T16:11:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:796c::/32 origin: AS271304 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: saveprovedor [at] gmail.com mnt-by: MAINT-AS271304 source: TC last-modified: 2021-12-16T16:42:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:796c::/32 descr: PROXY FOR CUSTOMER SALES TELECOM remarks: CONECT.COM - A.M.S DO NASCIMENTO origin: AS271304 mnt-by: MAINT-AS265113 notify: junior [at] routerx.net.br changed: junior [at] routerx.net.br 20211223 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:796c::/32 descr: G8 Customer Proxy Route origin: AS271304 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20210315 source: RADB last-modified: 2023-11-13T16:05:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source