These entries are queried from radb.net using whois, you can try my project getting these.
:AS40868 route: 142.202.45.0/24 origin: AS40868 descr: Route added by Grande on behalf of Fannin County Electric Cooperative, Inc. mnt-by: MAINT-AS7459 changed: ipneteng [at] mygrande.com 20201021 #19:15:15Z source: RADB last-modified: 2023-11-13T16:02:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source