These entries are queried from radb.net using whois, you can try my project getting these.
:AS268353 route: 45.239.52.0/22 origin: AS268353 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: dennylopes [at] gmail.com mnt-by: MAINT-AS268353 source: TC last-modified: 2021-11-10T17:00:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.239.52.0/22 descr: CLARO S.A. Customer origin: AS268353 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20180815 source: RADB last-modified: 2023-11-13T15:54:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.239.52.0/22 origin: AS268353 descr: PROXY FOR OUR CUSTOMER CONE mnt-by: MAINT-AS266583 changed: suporte [at] telxe.com.br 20220426 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.239.52.0/23 descr: CLARO S.A. Customer origin: AS268353 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20180828 source: RADB last-modified: 2023-11-13T15:54:29Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.239.52.0/24 descr: CLARO S.A. Customer origin: AS268353 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210908 source: RADB last-modified: 2023-11-13T16:08:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.239.53.0/24 descr: CLARO S.A. Customer origin: AS268353 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210908 source: RADB last-modified: 2023-11-13T16:08:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.239.54.0/23 descr: CLARO S.A. Customer origin: AS268353 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20180828 source: RADB last-modified: 2023-11-13T15:54:29Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.239.54.0/24 descr: CLARO S.A. Customer origin: AS268353 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210908 source: RADB last-modified: 2023-11-13T16:08:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.239.55.0/24 descr: CLARO S.A. Customer origin: AS268353 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210908 source: RADB last-modified: 2023-11-13T16:08:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:4fd8::/32 origin: AS268353 descr: PROXY FOR OUR CUSTOMER CONE mnt-by: MAINT-AS266583 changed: suporte [at] telxe.com.br 20220426 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:4fd8::/32 origin: AS268353 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: dennylopes [at] gmail.com mnt-by: MAINT-AS268353 source: TC last-modified: 2021-11-10T17:00:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:4fd8::/32 descr: CLARO S.A. Customer origin: AS268353 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20190711 source: RADB last-modified: 2023-11-13T15:56:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:4fd8::/33 descr: CLARO S.A. Customer origin: AS268353 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210914 source: RADB last-modified: 2023-11-13T16:08:13Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:4fd8::/34 descr: CLARO S.A. Customer origin: AS268353 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20240226 source: RADB last-modified: 2024-02-26T14:33:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:4fd8:4000::/34 descr: CLARO S.A. Customer origin: AS268353 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20240226 source: RADB last-modified: 2024-02-26T14:33:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:4fd8:8000::/33 descr: CLARO S.A. Customer origin: AS268353 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210914 source: RADB last-modified: 2023-11-13T16:08:13Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:4fd8:8000::/34 descr: CLARO S.A. Customer origin: AS268353 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20240226 source: RADB last-modified: 2024-02-26T14:33:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:4fd8:c000::/34 descr: CLARO S.A. Customer origin: AS268353 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20221007 source: RADB last-modified: 2023-11-13T16:12:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source