These entries are queried from radb.net using whois, you can try my project getting these.
:AS266467 route: 170.83.112.0/22 descr: CORPORATIVA origin: AS266467 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20180425 #19:34:53Z source: RADB last-modified: 2023-11-13T15:53:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.83.112.0/24 descr: CLARO S.A. Customer origin: AS266467 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: 170.83.113.0/24 descr: CLARO S.A. Customer origin: AS266467 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: 170.83.114.0/24 descr: CLARO S.A. Customer origin: AS266467 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: 170.83.115.0/24 descr: CLARO S.A. Customer origin: AS266467 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 route6: 2804:3848::/32 descr: G8 Networks origin: AS266467 mnt-by: MAINT-AS28329 changed: marcio.cavalcante [at] g8.net.br 20180505 source: RADB last-modified: 2023-11-13T15:53:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source