These entries are queried from radb.net using whois, you can try my project getting these.
:AS61833 route: 201.139.88.0/22 descr: ITX-BRASILNET origin: AS61833 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20180625 #17:27:13Z source: RADB last-modified: 2023-11-13T15:54:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 201.139.88.0/23 descr: CLARO S.A. Customer origin: AS61833 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230410 source: RADB last-modified: 2023-11-13T16:15:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 201.139.88.0/24 descr: CLARO S.A. Customer origin: AS61833 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230410 source: RADB last-modified: 2023-11-13T16:15:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 201.139.89.0/24 descr: CLARO S.A. Customer origin: AS61833 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230410 source: RADB last-modified: 2023-11-13T16:15:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 201.139.90.0/23 descr: CLARO S.A. Customer origin: AS61833 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230410 source: RADB last-modified: 2023-11-13T16:15:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 201.139.90.0/24 descr: CLARO S.A. Customer origin: AS61833 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210312 source: RADB last-modified: 2023-11-13T16:05:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 201.139.91.0/24 descr: CLARO S.A. Customer origin: AS61833 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230410 source: RADB last-modified: 2023-11-13T16:15:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:1a0c::/32 origin: AS61833 descr: FORTE-CUSTOMER mnt-by: MAINT-AS263009 changed: douglas [at] fortetelecom.com.br 20190611 #12:41:41Z source: RADB last-modified: 2023-11-13T15:56:38Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source