These entries are queried from radb.net using whois, you can try my project getting these.
:AS46594 route: 204.87.213.0/24 descr: EMBARQ JHCY origin: AS46594 mnt-by: EMBARQ-MNT changed: ron.d.proctor [at] embarq.com 20090629 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.87.213.0/24 descr: Business information Systems origin: AS46594 mnt-by: MAINT-CHTR-WD changed: terry.peters [at] chartercom.com 20111013 #04:20:24Z source: RADB last-modified: 2023-11-13T16:11:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source