These entries are queried from radb.net using whois, you can try my project getting these.
:AS271028 route: 170.82.44.0/22 origin: AS271028 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: lasernet [at] lasernet.net.br mnt-by: MAINT-AS271028 source: TC last-modified: 2021-11-29T18:22:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.82.44.0/22 origin: AS271028 descr: CUSTOMER: LaserNet Com??rcio e Servi??os em Telecomunica????es mnt-by: MAINT-AS28598 changed: diego.almeida [at] mobtelecom.com.br 20200827 #19:14:09Z source: RADB last-modified: 2023-11-13T16:12:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.82.44.0/23 descr: CLARO S.A. Customer origin: AS271028 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20201123 source: RADB last-modified: 2023-11-13T16:03:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.82.46.0/23 descr: CLARO S.A. Customer origin: AS271028 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20201123 source: RADB last-modified: 2023-11-13T16:03:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:752c::/32 origin: AS271028 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: lasernet [at] lasernet.net.br mnt-by: MAINT-AS271028 source: TC last-modified: 2021-11-29T18:22:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:752c::/32 origin: AS271028 descr: CUSTOMER: LaserNet Com??rcio e Servi??os em Telecomunica????es mnt-by: MAINT-AS28598 changed: diego.almeida [at] mobtelecom.com.br 20200827 #19:15:20Z source: RADB last-modified: 2023-11-13T16:12:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source