These entries are queried from radb.net using whois, you can try my project getting these.
:AS266408 route: 170.81.56.0/22 descr: ITX-SAMM origin: AS266408 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20180725 #18:23:18Z source: RADB last-modified: 2023-11-13T15:54:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.81.56.0/24 descr: CLARO S.A. Customer origin: AS266408 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210329 source: RADB last-modified: 2023-11-13T16:05:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.81.57.0/24 descr: CLARO S.A. Customer origin: AS266408 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210329 source: RADB last-modified: 2023-11-13T16:05:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.81.58.0/24 descr: CLARO S.A. Customer origin: AS266408 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210329 source: RADB last-modified: 2023-11-13T16:05:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.81.59.0/24 descr: CLARO S.A. Customer origin: AS266408 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210329 source: RADB last-modified: 2023-11-13T16:05:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:3760::/32 descr: ITX-SAMM origin: AS266408 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20180725 #18:23:55Z source: RADB last-modified: 2023-11-13T15:54:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source