These entries are queried from radb.net using whois, you can try my project getting these.
:AS270497 route: 24.152.116.0/22 descr: PROXY FOR CUSTOMER COOPERATIVA - BY SPEEDNET origin: AS270497 mnt-by: MAINT-AS263362 changed: glauber [at] gbti.net.br 20211019 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 24.152.116.0/22 origin: AS270497 descr: CUSTOMER RUTE MARIA DA CUNHA mnt-by: MAINT-AS28598 changed: saimo.santos [at] mobtelecom.com.br 20200320 #13:55:54Z 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: 24.152.116.0/23 descr: CLARO S.A. Customer origin: AS270497 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20201204 source: RADB last-modified: 2023-11-13T16:03:06Z rpki-ov-state: valid route: 24.152.116.0/24 descr: CLARO S.A. Customer origin: AS270497 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20201204 source: RADB last-modified: 2023-11-13T16:03:06Z rpki-ov-state: valid route: 24.152.117.0/24 descr: CLARO S.A. Customer origin: AS270497 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20201204 source: RADB last-modified: 2023-11-13T16:03:06Z rpki-ov-state: valid route: 24.152.118.0/23 origin: AS270497 descr: AS270497 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20220118 #19:33:42Z source: RADB last-modified: 2023-11-13T16:09:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 24.152.119.0/24 descr: CLARO S.A. Customer origin: AS270497 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20201130 source: RADB last-modified: 2023-11-13T16:03:06Z rpki-ov-state: valid route6: 2804:6cdc::/32 descr: PROXY FOR CUSTOMER COOPERATIVA - BY SPEEDNET origin: AS270497 mnt-by: MAINT-AS263362 changed: glauber [at] gbti.net.br 20211019 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:6cdc::/32 origin: AS270497 descr: CUSTOMER RUTE MARIA DA CUNHA mnt-by: MAINT-AS28598 changed: saimo.santos [at] mobtelecom.com.br 20200320 #13:56:47Z source: RADB last-modified: 2023-11-13T16:12:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:6cdc::/33 descr: CLARO S.A. Customer origin: AS270497 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20201204 source: RADB last-modified: 2023-11-13T16:03:06Z rpki-ov-state: valid route6: 2804:6cdc::/34 descr: CLARO S.A. Customer origin: AS270497 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230309 source: RADB last-modified: 2023-11-13T16:15:23Z rpki-ov-state: valid route6: 2804:6cdc::/35 origin: AS270497 descr: AS270497 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20240226 # 1338Z source: RADB last-modified: 2024-02-26T13:38:25Z rpki-ov-state: valid route6: 2804:6cdc:2000::/35 origin: AS270497 descr: AS270497 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20240226 # 1339Z source: RADB last-modified: 2024-02-26T13:39:13Z rpki-ov-state: valid route6: 2804:6cdc:4000::/34 descr: CLARO S.A. Customer origin: AS270497 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230309 source: RADB last-modified: 2023-11-13T16:15:23Z rpki-ov-state: valid route6: 2804:6cdc:4000::/35 origin: AS270497 descr: AS270497 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20240226 # 1340Z source: RADB last-modified: 2024-02-26T13:40:01Z rpki-ov-state: valid route6: 2804:6cdc:6000::/35 origin: AS270497 descr: AS270497 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20240226 # 1340Z source: RADB last-modified: 2024-02-26T13:40:28Z rpki-ov-state: valid route6: 2804:6cdc:8000::/33 origin: AS270497 descr: AS270497 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20220118 #19:36:08Z source: RADB last-modified: 2023-11-13T16:09:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:6cdc:c000::/34 descr: CLARO S.A. Customer origin: AS270497 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20220113 source: RADB last-modified: 2023-11-13T16:09:07Z rpki-ov-state: valid