These entries are queried from radb.net using whois, you can try my project getting these.
:AS61752 route: 131.100.12.0/22 descr: BATISTA PEREIRA INFORMATICA LTDA. origin: AS61752 notify: comercial [at] netsystemcampos.com.br mnt-by: MAINT-AS61752 changed: comercial [at] netsystemcampos.com.br 20210427 source: TC last-modified: 2021-05-05T02:07:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.100.12.0/22 descr: BRASILNET origin: AS61752 mnt-by: MAINT-AS18678 changed: adminred [at] internexa.com 20170327 #21:01:40Z source: RADB last-modified: 2023-11-13T15:50:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.100.12.0/23 descr: BATISTA PEREIRA INFORMATICA LTDA. origin: AS61752 notify: comercial [at] netsystemcampos.com.br mnt-by: MAINT-AS61752 changed: comercial [at] netsystemcampos.com.br 20210427 source: TC last-modified: 2021-05-05T02:07:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.100.12.0/24 descr: CLARO S.A. Customer origin: AS61752 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210312 source: RADB last-modified: 2023-11-13T16:05:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.100.12.0/24 descr: BATISTA PEREIRA INFORMATICA LTDA. origin: AS61752 notify: comercial [at] netsystemcampos.com.br mnt-by: MAINT-AS61752 changed: comercial [at] netsystemcampos.com.br 20210427 source: TC last-modified: 2021-05-05T02:07:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.100.13.0/24 descr: BATISTA PEREIRA INFORMATICA LTDA. origin: AS61752 notify: comercial [at] netsystemcampos.com.br mnt-by: MAINT-AS61752 changed: comercial [at] netsystemcampos.com.br 20210427 source: TC last-modified: 2021-05-05T02:07:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.100.13.0/24 descr: CLARO S.A. Customer origin: AS61752 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210312 source: RADB last-modified: 2023-11-13T16:05:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.100.14.0/23 descr: BATISTA PEREIRA INFORMATICA LTDA. origin: AS61752 notify: comercial [at] netsystemcampos.com.br mnt-by: MAINT-AS61752 changed: comercial [at] netsystemcampos.com.br 20210427 source: TC last-modified: 2021-05-05T02:07:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.100.14.0/23 descr: CLARO S.A. Customer origin: AS61752 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230323 source: RADB last-modified: 2023-11-13T16:15:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.100.14.0/24 descr: BATISTA PEREIRA INFORMATICA LTDA. origin: AS61752 notify: comercial [at] netsystemcampos.com.br mnt-by: MAINT-AS61752 changed: comercial [at] netsystemcampos.com.br 20210427 source: TC last-modified: 2021-05-05T02:07:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.100.14.0/24 descr: CLARO S.A. Customer origin: AS61752 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210312 source: RADB last-modified: 2023-11-13T16:05:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.100.15.0/24 descr: BATISTA PEREIRA INFORMATICA LTDA. origin: AS61752 notify: comercial [at] netsystemcampos.com.br mnt-by: MAINT-AS61752 changed: comercial [at] netsystemcampos.com.br 20210427 source: TC last-modified: 2021-05-05T02:07:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.100.15.0/24 descr: CLARO S.A. Customer origin: AS61752 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210312 source: RADB last-modified: 2023-11-13T16:05:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:1bd0::/32 origin: AS61752 descr: FORTE-CUSTOMER mnt-by: MAINT-AS263009 changed: douglas [at] fortetelecom.com.br 20190611 #12:19:35Z source: RADB last-modified: 2023-11-13T15:56:38Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source