These entries are queried from radb.net using whois, you can try my project getting these.
:AS46338 route: 192.169.19.0/24 descr: Proxy Entry for CPC Logistics origin: AS46338 notify: dlnocip [at] charter.com notify: dldntnbb [at] charter.com mnt-by: MAINT-CHTR-WD changed: david.gleich [at] charter.com 20150928 #21:15:21Z source: RADB last-modified: 2023-11-13T16:11:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source