These entries are queried from radb.net using whois, you can try my project getting these.
:AS268491 route: 45.161.252.0/22 origin: AS268491 descr: CUSTOMER RF TV CABO MIX LTDA mnt-by: MAINT-AS28598 changed: cassio.passos [at] mobtelecom.com.br 20190530 #00:45:46Z source: RADB last-modified: 2023-11-13T16:12:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.161.254.0/23 descr: CLARO S.A. Customer origin: AS268491 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20190807 source: RADB last-modified: 2023-11-13T15:57:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:520c::/32 origin: AS268491 descr: CUSTOMER RF TV CABO MIX LTDA mnt-by: MAINT-AS28598 changed: cassio.passos [at] mobtelecom.com.br 20190530 #00:46:26Z source: RADB last-modified: 2023-11-13T16:12:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source