These entries are queried from radb.net using whois, you can try my project getting these.
:AS264318 route: 138.122.52.0/22 descr: ITX-RBC origin: AS264318 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20180723 #17:39:24Z source: RADB last-modified: 2023-11-13T15:54:04Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2604::/32 descr: ITX-RBC origin: AS264318 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20180813 #18:32:34Z source: RADB last-modified: 2023-11-13T15:54:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2604:f00::/48 descr: CLARO S.A. Customer origin: AS264318 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20230927 source: RADB last-modified: 2023-11-13T16:18:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source