These entries are queried from radb.net using whois, you can try my project getting these.
:AS395751 route: 192.198.29.0/24 descr: Switch Communications Customer Route origin: AS395751 remarks: Route for Desert Radiologists remarks: 192.198.29.0/24 notify: netops-eng [at] switchlv.com mnt-by: SWITCHCOM-MNT changed: netops-eng [at] switchlv.com 20161204 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.198.29.0/24 descr: Switch Communications Customer Route origin: AS395751 member-of: RS-AS23005 mnt-by: MAINT-SWITCH changed: netops [at] switch.com 20180102 source: RADB last-modified: 2023-11-13T15:52:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source