These entries are queried from radb.net using whois, you can try my project getting these.
:AS53748 route: 204.107.93.0/24 descr: Switch Communications Customer Route origin: AS53748 remarks: Route for UMC - University Medical Center remarks: 204.107.93.0/24 mnt-by: SWITCHCOM-MNT changed: netops [at] switchnap.com 20110715 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.107.93.0/24 descr: Switch Communications Customer Route origin: AS53748 member-of: RS-AS23005 remarks: Route for UMCSN mnt-by: MAINT-SWITCH changed: netops [at] switch.com 20180314 #19:01:52Z source: RADB last-modified: 2023-11-13T15:53:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source