These entries are queried from radb.net using whois, you can try my project getting these.
:AS267148 route: 45.230.16.0/22 descr: PROXY FOR OUR CUSTUMER origin: AS267148 mnt-by: MAINT-AS263558 changed: jetelecom [at] jetelecom.com.br 20210118 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.230.16.0/22 origin: AS267148 descr: CUSTOMER JETVIA COMUNICA????ES DIGITAIS LTDA mnt-by: MAINT-AS28598 changed: cassio.passos [at] mobtelecom.com.br 20190417 #16:58:45Z 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: 45.230.18.0/23 descr: CLARO S.A. Customer origin: AS267148 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230119 source: RADB last-modified: 2023-11-13T16:13:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:48d8::/32 descr: PROXY FOR OUR COSTUMER CONE origin: AS267148 mnt-by: MAINT-AS263558 changed: jetelecom [at] jetelecom.com.br 20210118 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:48d8::/32 origin: AS267148 descr: CUSTOMER JETVIA COMUNICA????ES DIGITAIS LTDA mnt-by: MAINT-AS28598 changed: cassio.passos [at] mobtelecom.com.br 20190417 #16:59:24Z source: RADB last-modified: 2023-11-13T16:12:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source