These entries are queried from radb.net using whois, you can try my project getting these.
:AS265163 route: 143.255.236.0/22 descr: AS265163 origin: AS265163 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20160222 #11:08:26Z source: RADB last-modified: 2023-11-13T15:48:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.255.236.0/23 descr: CLARO S.A. Customer origin: AS265163 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210406 source: RADB last-modified: 2023-11-13T16:05:28Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.255.236.0/24 descr: CLIENTE_MOB_S R DA SILVA OLIVEIRA origin: AS265163 mnt-by: MAINT-AS28598 changed: mauricio.maehara [at] mobtelecom.com.br 20180504 #23:49:57Z source: RADB last-modified: 2023-11-13T16:12:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.255.237.0/24 descr: CLARO S.A. Customer origin: AS265163 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210705 source: RADB last-modified: 2023-11-13T16:07:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.255.238.0/23 descr: CLARO S.A. Customer origin: AS265163 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210318 source: RADB last-modified: 2023-11-13T16:05:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.255.238.0/24 descr: CLIENTE_MOB_S R DA SILVA OLIVEIRA origin: AS265163 mnt-by: MAINT-AS28598 changed: mauricio.maehara [at] mobtelecom.com.br 20180504 #23:49:57Z source: RADB last-modified: 2023-11-13T16:12:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.255.239.0/24 descr: CLIENTE_MOB_S R DA SILVA OLIVEIRA origin: AS265163 mnt-by: MAINT-AS28598 changed: mauricio.maehara [at] mobtelecom.com.br 20180504 #23:49:57Z source: RADB last-modified: 2023-11-13T16:12:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2b9c::/32 descr: CLARO S.A. Customer origin: AS265163 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20190730 source: RADB last-modified: 2023-11-13T15:56:47Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2b9c::/33 descr: CLARO S.A. Customer origin: AS265163 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20190730 source: RADB last-modified: 2023-11-13T15:56:47Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2b9c::/36 descr: CLARO S.A. Customer origin: AS265163 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20191003 source: RADB last-modified: 2023-11-13T15:58:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source