These entries are queried from radb.net using whois, you can try my project getting these.
:AS264002 route: 143.0.60.0/22 origin: AS264002 descr: CUSTOMER - SAMM - MV AMANCIO mnt-by: MAINT-AS52551 changed: cgr.samm [at] grupoccr.com.br 20230612 #23:39:35Z source: RADB last-modified: 2023-11-13T16:17:29Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.0.60.0/23 descr: CLARO S.A. Customer origin: AS264002 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20220208 source: RADB last-modified: 2023-11-13T16:09:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2930::/32 origin: AS264002 descr: CUSTOMER - SAMM - MVA TELECOM mnt-by: MAINT-AS52551 changed: cgr.samm [at] grupoccr.com.br 20210930 #13:03:31Z source: RADB last-modified: 2023-11-13T16:08:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source