These entries are queried from radb.net using whois, you can try my project getting these.
:AS18793 route: 192.184.96.0/20 descr: Proxy Entry for COM-PAIR-BROADBAND origin: AS18793 mnt-by: MAINT-CHTR-WD changed: james.graves [at] chartercom.com 20130606 #16:08:16Z source: RADB last-modified: 2023-11-13T16:11:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.74.104.0/21 descr: SLO CA KMA - Com-Pair Services origin: AS18793 mnt-by: MAINT-CHTR-WD changed: john.abeln [at] chartercom.com 20090918 source: RADB last-modified: 2023-11-13T16:11:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source