These entries are queried from radb.net using whois, you can try my project getting these.
:AS264004 route: 143.0.72.0/22 descr: Prefixo AS264004 origin: AS264004 mnt-by: MAINT-AS28283 changed: peering [at] adylnet.com.br 20170410 #13:19:52Z 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: 143.0.72.0/23 descr: CLARO S.A. Customer origin: AS264004 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20191106 source: RADB last-modified: 2023-11-13T15:58:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.0.72.0/24 descr: CLARO S.A. Customer origin: AS264004 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20190409 source: RADB last-modified: 2023-11-13T15:55:47Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.0.73.0/24 descr: CLARO S.A. Customer origin: AS264004 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20190409 source: RADB last-modified: 2023-11-13T15:55:47Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.0.74.0/23 descr: CLARO S.A. Customer origin: AS264004 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20191106 source: RADB last-modified: 2023-11-13T15:58:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.0.74.0/24 descr: CLARO S.A. Customer origin: AS264004 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20190409 source: RADB last-modified: 2023-11-13T15:55:47Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.0.75.0/24 descr: CLARO S.A. Customer origin: AS264004 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20190409 source: RADB last-modified: 2023-11-13T15:55:47Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2938::/32 descr: CLARO S.A. Customer origin: AS264004 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20190409 source: RADB last-modified: 2023-11-13T15:55:47Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2938::/33 descr: CLARO S.A. Customer origin: AS264004 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20190409 source: RADB last-modified: 2023-11-13T15:55:47Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2938:8000::/33 descr: CLARO S.A. Customer origin: AS264004 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20190729 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: 2804:2938:8000::/34 descr: CLARO S.A. Customer origin: AS264004 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20201214 source: RADB last-modified: 2023-11-13T16:03:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2938:c000::/34 descr: CLARO S.A. Customer origin: AS264004 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20201214 source: RADB last-modified: 2023-11-13T16:03:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source