These entries are queried from radb.net using whois, you can try my project getting these.
:AS267247 route: 45.231.204.0/23 origin: AS267247 descr: MOB CUSTOMER AS267247 mnt-by: MAINT-AS28598 changed: claudio.passos [at] mobtelecom.com.br 20190919 #12:25:25Z source: RADB last-modified: 2023-11-13T16:12:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.231.204.0/24 descr: CLARO S.A. Customer origin: AS267247 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20220321 source: RADB last-modified: 2023-11-13T16:10:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2801:80:2330::/48 origin: AS267247 descr: MOB CUSTOMER AS267247 mnt-by: MAINT-AS28598 changed: claudio.passos [at] mobtelecom.com.br 20190919 #12:26:54Z source: RADB last-modified: 2023-11-13T16:12:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source