These entries are queried from radb.net using whois, you can try my project getting these.
:AS393452 route: 209.151.180.0/24 origin: AS393452 descr: SDNET on behalf of Flandreau Santee Sioux Tribe mnt-by: MAINT-AS13576 changed: gary.glissendorf [at] sdncommunications.com 20221208 #20:28:42Z source: RADB last-modified: 2023-11-13T16:13:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source