These entries are queried from radb.net using whois, you can try my project getting these.
:AS271427 route: 45.167.212.0/22 origin: AS271427 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: samorphy [at] gmail.com mnt-by: MAINT-AS271427 source: TC last-modified: 2022-07-28T15:41:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.167.212.0/22 descr: G8 Customer Proxy Route origin: AS271427 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20210526 source: RADB last-modified: 2023-11-13T16:05:47Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.167.212.0/24 descr: CLARO S.A. Customer origin: AS271427 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20240112 source: RADB last-modified: 2024-01-12T14:50:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.167.215.0/24 descr: CLARO S.A. Customer origin: AS271427 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20231221 source: RADB last-modified: 2023-12-21T13:51:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:7b5c::/32 origin: AS271427 remarks: Auto-created by TC IRR from NIC.br and RIPE RIS data notify: samorphy [at] gmail.com mnt-by: MAINT-AS271427 source: TC last-modified: 2022-07-28T15:41:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:7b5c::/32 descr: G8 Customer Proxy Route origin: AS271427 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20210526 source: RADB last-modified: 2023-11-13T16:05:47Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:7b5c:8000::/33 descr: CLARO S.A. Customer origin: AS271427 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230927 source: RADB last-modified: 2023-11-13T16:18:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source