These entries are queried from radb.net using whois, you can try my project getting these.
:AS270871 route: 131.255.242.0/23 descr: CLARO S.A. Customer origin: AS270871 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20211001 source: RADB last-modified: 2023-11-13T16:08:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.255.242.0/24 descr: CLARO S.A. Customer origin: AS270871 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20211001 source: RADB last-modified: 2023-11-13T16:08:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 131.255.243.0/24 descr: CLARO S.A. Customer origin: AS270871 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210706 source: RADB last-modified: 2023-11-13T16:07:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:72b8::/32 descr: CLARO S.A. Customer origin: AS270871 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210706 source: RADB last-modified: 2023-11-13T16:07:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source