These entries are queried from radb.net using whois, you can try my project getting these.
:AS33193 route: 199.7.99.0/24 origin: AS33193 descr: Proxy route for AS33193 mnt-by: MAINT-AS10835 changed: jeremy [at] vcn.com 20200312 #20:44:38Z source: RADB last-modified: 2023-11-13T16:00:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source