These entries are queried from radb.net using whois, you can try my project getting these.
:AS27231 route: 12.168.121.0/24 origin: AS27231 descr: RNKE remarks: Proxy object for AS27231 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