These entries are queried from radb.net using whois, you can try my project getting these.
:AS396119 route: 170.76.143.0/24 origin: AS396119 descr: SDN on Behalf of Avera Health mnt-by: MAINT-AS13576 changed: gary.glissendorf [at] sdncommunications.com 20210510 #20:02:35Z source: RADB last-modified: 2023-11-13T16:05:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source