These entries are queried from radb.net using whois, you can try my project getting these.
:AS16783 route: 199.73.10.0/23 descr: VW-CUST-86605 origin: AS16783 mnt-by: MAINT-FLEXENTIAL changed: routing [at] viawest.net 20120730 #16:52:54Z source: RADB last-modified: 2023-11-13T15:57:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source