These entries are queried from radb.net using whois, you can try my project getting these.
:AS271201 route: 179.49.184.0/22 descr: Vianet Telecomunicacoes Ltda origin: AS271201 mnt-by: MAINT-AS271201 changed: noc [at] vianetitz.com.br 20211024 source: TC last-modified: 2024-04-23T18:50:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 179.49.184.0/22 descr: G8 Customer Proxy Route origin: AS271201 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20230828 source: RADB last-modified: 2023-11-13T16:18:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 179.49.184.0/23 descr: CLARO S.A. Customer origin: AS271201 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20201028 source: RADB last-modified: 2023-11-13T16:02:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 179.49.184.0/24 descr: CLARO S.A. Customer origin: AS271201 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20211103 source: RADB last-modified: 2023-11-13T16:08:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 179.49.185.0/24 descr: CLARO S.A. Customer origin: AS271201 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20211103 source: RADB last-modified: 2023-11-13T16:08:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 179.49.186.0/23 descr: CLARO S.A. Customer origin: AS271201 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20201028 source: RADB last-modified: 2023-11-13T16:02:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 179.49.186.0/24 descr: CLARO S.A. Customer origin: AS271201 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20211103 source: RADB last-modified: 2023-11-13T16:08:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 179.49.187.0/24 descr: CLARO S.A. Customer origin: AS271201 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20211103 source: RADB last-modified: 2023-11-13T16:08:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:77d0::/32 descr: Vianet Telecomunicacoes Ltda origin: AS271201 mnt-by: MAINT-AS271201 changed: noc [at] vianetitz.com.br 20211024 source: TC last-modified: 2024-04-23T18:50:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:77d0::/32 descr: G8 Customer Proxy Route origin: AS271201 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20230828 source: RADB last-modified: 2023-11-13T16:18:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:77d0::/33 descr: CLARO S.A. Customer origin: AS271201 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210910 source: RADB last-modified: 2023-11-13T16:08:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:77d0:8000::/33 descr: CLARO S.A. Customer origin: AS271201 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210910 source: RADB last-modified: 2023-11-13T16:08:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source