These entries are queried from radb.net using whois, you can try my project getting these.
:AS23120 route: 12.204.59.0/24 origin: AS23120 descr: MTC3 remarks: Proxy object for AS23120 mnt-by: MAINT-AS22773 changed: cciatl-nocengineer [at] cox.com 20220513 source: RADB last-modified: 2023-11-13T16:11:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source