These entries are queried from radb.net using whois, you can try my project getting these.
:AS53159 route: 201.49.144.0/21 descr: prefixo agregado do AS 53159 origin: AS53159 notify: sgsr [at] stf.jus.br mnt-by: MAINT-AS53159 changed: sgsr [at] stf.jus.br 20220707 source: TC last-modified: 2022-07-07T21:05:09Z rpki-ov-state: valid route: 201.49.144.0/21 descr: CLARO S.A. Customer origin: AS53159 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20180815 source: RADB last-modified: 2023-11-13T15:54:27Z rpki-ov-state: valid route: 201.49.144.0/24 descr: prefixo para engenharia de trafego do bloco do AS 53159 origin: AS53159 notify: sgsr [at] stf.jus.br mnt-by: MAINT-AS53159 changed: sgsr [at] stf.jus.br 20220707 source: TC last-modified: 2022-07-07T21:05:09Z rpki-ov-state: valid route: 201.49.145.0/24 descr: prefixo para engenharia de trafego do bloco do AS 53159 origin: AS53159 notify: sgsr [at] stf.jus.br mnt-by: MAINT-AS53159 changed: sgsr [at] stf.jus.br 20220707 source: TC last-modified: 2022-07-07T21:05:09Z rpki-ov-state: valid route: 201.49.145.0/24 descr: CLARO S.A. Customer origin: AS53159 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20180815 source: RADB last-modified: 2023-11-13T15:54:27Z rpki-ov-state: valid route: 201.49.150.0/23 descr: prefixo para engenharia de trafego do bloco do AS 53159 origin: AS53159 notify: sgsr [at] stf.jus.br mnt-by: MAINT-AS53159 changed: sgsr [at] stf.jus.br 20220707 source: TC last-modified: 2022-07-07T21:05:09Z rpki-ov-state: valid route: 201.49.150.0/23 descr: CLARO S.A. Customer origin: AS53159 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20200817 source: RADB last-modified: 2023-11-13T16:01:33Z rpki-ov-state: valid route6: 2801:80:d20::/44 origin: AS53159 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: sgsr [at] stf.jus.br mnt-by: MAINT-AS53159 source: TC last-modified: 2022-07-05T21:10:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2801:80:d20::/44 descr: CLARO S.A. Customer origin: AS53159 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230313 source: RADB last-modified: 2023-11-13T16:15:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source