These entries are queried from radb.net using whois, you can try my project getting these.
:AS33112 route: 198.190.186.0/24 descr: Proxy entry on behalf of Arch Coal Inc origin: AS33112 notify: dlnocip3 [at] charter.com notify: dldntnbb [at] charter.com mnt-by: MAINT-CHTR-WD changed: david.gleich [at] charter.com 20160325 #20:29:00Z source: RADB last-modified: 2023-11-13T16:11:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source