These entries are queried from radb.net using whois, you can try my project getting these.
:AS36358 route: 104.225.248.0/23 origin: AS36358 descr: City of Des Moines mnt-by: MAINT-AS30036 changed: ezinnel [at] mediacomcc.com 20190717 #12:37:09Z source: RADB last-modified: 2023-11-13T15:56:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source