These entries are queried from radb.net using whois, you can try my project getting these.
:AS399860 route: 45.45.215.0/24 origin: AS399860 descr: Cedar Rapids Comm School District mnt-by: MAINT-AS30036 changed: ezinnel [at] mediacomcc.com 20230630 #14:55:47Z source: RADB last-modified: 2023-11-13T16:17:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source