These entries are queried from radb.net using whois, you can try my project getting these.
:AS53738 route: 192.234.32.0/23 descr: Proxy Add for Charter Business Customer Data Dimensions Corporation origin: AS53738 remarks: Proxy Add for Charter Business Customer Data Dimensions Corporation notify: dldntnbb [at] charter.com notify: dlnociptier3 [at] charter.com mnt-by: MAINT-CHTR-WD changed: david.gleich [at] charter.com 20150805 #19:49:41Z source: RADB last-modified: 2023-11-13T16:11:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source