These entries are queried from radb.net using whois, you can try my project getting these.
:AS270837 route: 177.52.140.0/22 descr: L N DE CAMPOS / IMARTECH origin: AS270837 notify: vagner [at] innetsolutions.com.br mnt-by: MAINT-AS270837 changed: vagner [at] innetsolutions.com.br 20230117 source: TC last-modified: 2023-01-17T20:29:03Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.52.140.0/23 descr: CLARO S.A. Customer origin: AS270837 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 route: 177.52.140.0/24 descr: CLARO S.A. Customer origin: AS270837 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210513 source: RADB last-modified: 2023-11-13T16:05:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.52.140.0/24 descr: L N DE CAMPOS / IMARTECH origin: AS270837 notify: vagner [at] innetsolutions.com.br mnt-by: MAINT-AS270837 changed: vagner [at] innetsolutions.com.br 20230117 source: TC last-modified: 2023-01-17T20:29:03Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.52.141.0/24 descr: CLARO S.A. Customer origin: AS270837 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210513 source: RADB last-modified: 2023-11-13T16:05:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.52.141.0/24 descr: L N DE CAMPOS / IMARTECH origin: AS270837 notify: vagner [at] innetsolutions.com.br mnt-by: MAINT-AS270837 changed: vagner [at] innetsolutions.com.br 20230117 source: TC last-modified: 2023-01-17T20:29:03Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.52.142.0/23 descr: CLARO S.A. Customer origin: AS270837 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 route: 177.52.142.0/24 descr: CLARO S.A. Customer origin: AS270837 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210513 source: RADB last-modified: 2023-11-13T16:05:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.52.142.0/24 descr: L N DE CAMPOS / IMARTECH origin: AS270837 notify: vagner [at] innetsolutions.com.br mnt-by: MAINT-AS270837 changed: vagner [at] innetsolutions.com.br 20230117 source: TC last-modified: 2023-01-17T20:29:03Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.52.143.0/24 descr: L N DE CAMPOS / IMARTECH origin: AS270837 notify: vagner [at] innetsolutions.com.br mnt-by: MAINT-AS270837 changed: vagner [at] innetsolutions.com.br 20230117 source: TC last-modified: 2023-01-17T20:29:03Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:722c::/32 origin: AS270837 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: vagner [at] innetsolutions.com.br mnt-by: MAINT-AS270837 source: TC last-modified: 2023-01-17T20:24:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source