These entries are queried from radb.net using whois, you can try my project getting these.
:AS395612 route: 148.59.140.0/24 descr: Proxy for Montgomery County Commission origin: AS395612 mnt-by: MAINT-CHTR-WD changed: jugraj.singh [at] charter.com 20171031 #22:22:12Z source: RADB last-modified: 2023-11-13T16:11:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source