These entries are queried from radb.net using whois, you can try my project getting these.
:AS270354 route: 190.83.56.0/22 origin: AS270354 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: magnosc [at] hotmail.com.br mnt-by: MAINT-AS270354 source: TC last-modified: 2023-05-09T21:00:59Z rpki-ov-state: valid route: 190.83.56.0/22 descr: CLARO S.A. Customer origin: AS270354 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20200221 source: RADB last-modified: 2023-11-13T15:59:58Z rpki-ov-state: valid route6: 2804:6ab4::/32 descr: PROXY FOR JUNTO TELECOM CUSTOMER origin: AS270354 mnt-by: MAINT-AS262596 notify: bgp [at] juntotelecom.com.br changed: bgp [at] juntotelecom.com.br 20200422 remarks: Wed Apr 22 23:05:04 2020 source: RADB last-modified: 2023-11-13T16:00:33Z rpki-ov-state: valid route6: 2804:6ab4::/32 origin: AS270354 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: magnosc [at] hotmail.com.br mnt-by: MAINT-AS270354 source: TC last-modified: 2023-05-09T21:01:00Z rpki-ov-state: valid route6: 2804:6ab4::/34 descr: CLARO S.A. Customer origin: AS270354 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20221125 source: RADB last-modified: 2023-11-13T16:13:09Z rpki-ov-state: valid route6: 2804:6ab4:4000::/34 descr: CLARO S.A. Customer origin: AS270354 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20221125 source: RADB last-modified: 2023-11-13T16:13:09Z rpki-ov-state: valid route6: 2804:6ab4:8000::/34 descr: CLARO S.A. Customer origin: AS270354 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20221125 source: RADB last-modified: 2023-11-13T16:13:09Z rpki-ov-state: valid route6: 2804:6ab4:c000::/34 descr: CLARO S.A. Customer origin: AS270354 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20221125 source: RADB last-modified: 2023-11-13T16:13:09Z rpki-ov-state: valid