These entries are queried from radb.net using whois, you can try my project getting these.
:AS394732 route: 198.151.143.0/24 origin: AS394732 descr: Des Moines Orthopaedic Surgeons, P.C. mnt-by: MAINT-AS30036 changed: ezinnel [at] mediacomcc.com 20221012 #14:04:12Z source: RADB last-modified: 2023-11-13T16:12:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source