These entries are queried from radb.net using whois, you can try my project getting these.
:AS394315 route: 69.12.36.0/24 descr: Encore Boston Harbor (Wynn MA LLC) origin: AS394315 mnt-by: MAINT-AS27506 changed: jlipe [at] lightower.com 20190122 source: RADB last-modified: 2023-11-13T15:55:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source