These entries are queried from radb.net using whois, you can try my project getting these.
:AS32879 route: 66.170.31.0/24 descr: Proxy Registration for Clarity Technology Group origin: AS32879 notify: DLNOCIPTier3 [at] charter.com notify: DLDNTNBB [at] charter.com mnt-by: MAINT-CHTR-WD changed: david.gleich [at] charter.com 20160211 #20:15:44Z source: RADB last-modified: 2023-11-13T16:11:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source