These entries are queried from radb.net using whois, you can try my project getting these.
:AS264428 route: 131.221.124.0/22 origin: AS264428 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: gtecnet [at] gtecnet.com.br mnt-by: MAINT-AS264428 source: TC last-modified: 2022-04-22T18:30:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.221.124.0/22 descr: CLARO S.A. Customer origin: AS264428 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20200515 source: RADB last-modified: 2023-11-13T16:00:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.221.124.0/23 descr: CLARO S.A. Customer origin: AS264428 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20200529 source: RADB last-modified: 2023-11-13T16:00:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.221.124.0/24 descr: CLARO S.A. Customer origin: AS264428 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20200515 source: RADB last-modified: 2023-11-13T16:00:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.221.125.0/24 descr: CLARO S.A. Customer origin: AS264428 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20200515 source: RADB last-modified: 2023-11-13T16:00:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.221.126.0/23 descr: CLARO S.A. Customer origin: AS264428 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20200529 source: RADB last-modified: 2023-11-13T16:00:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.221.126.0/24 descr: CLARO S.A. Customer origin: AS264428 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20200515 source: RADB last-modified: 2023-11-13T16:00:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.221.127.0/24 descr: CLARO S.A. Customer origin: AS264428 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20200518 source: RADB last-modified: 2023-11-13T16:00:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.0.4.0/22 descr: OPCAOTELECOM origin: AS264428 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20190417 #13:18:08Z source: RADB last-modified: 2023-11-13T15:56:04Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.0.4.0/22 origin: AS264428 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: gtecnet [at] gtecnet.com.br mnt-by: MAINT-AS264428 source: TC last-modified: 2022-04-22T18:30:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.0.4.0/23 descr: CLARO S.A. Customer origin: AS264428 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20220726 source: RADB last-modified: 2023-11-13T16:11:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.0.4.0/24 descr: CLARO S.A. Customer origin: AS264428 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20200515 source: RADB last-modified: 2023-11-13T16:00:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.0.5.0/24 descr: CLARO S.A. Customer origin: AS264428 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20200515 source: RADB last-modified: 2023-11-13T16:00:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.0.6.0/23 descr: CLARO S.A. Customer origin: AS264428 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20220726 source: RADB last-modified: 2023-11-13T16:11:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.0.6.0/24 descr: CLARO S.A. Customer origin: AS264428 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20200515 source: RADB last-modified: 2023-11-13T16:00:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.0.7.0/24 descr: CLARO S.A. Customer origin: AS264428 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20200518 source: RADB last-modified: 2023-11-13T16:00:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:1e6c::/32 origin: AS264428 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: gtecnet [at] gtecnet.com.br mnt-by: MAINT-AS264428 source: TC last-modified: 2022-04-22T18:30:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:1e6c::/32 origin: AS264428 descr: ITX-OPCAOTELECOM mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20190417 #13:26:45Z source: RADB last-modified: 2023-11-13T15:56:04Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:1e6c::/33 descr: CLARO S.A. Customer origin: AS264428 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20200527 source: RADB last-modified: 2023-11-13T16:00:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:1e6c::/34 descr: CLARO S.A. Customer origin: AS264428 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20200527 source: RADB last-modified: 2023-11-13T16:00:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:1e6c:4000::/34 descr: CLARO S.A. Customer origin: AS264428 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20200527 source: RADB last-modified: 2023-11-13T16:00:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:1e6c:8000::/33 descr: CLARO S.A. Customer origin: AS264428 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20200527 source: RADB last-modified: 2023-11-13T16:00:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:1e6c:8000::/34 descr: CLARO S.A. Customer origin: AS264428 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20200527 source: RADB last-modified: 2023-11-13T16:00:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:1e6c:c000::/34 descr: CLARO S.A. Customer origin: AS264428 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20200527 source: RADB last-modified: 2023-11-13T16:00:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source