These entries are queried from radb.net using whois, you can try my project getting these.
:AS19386 route: 162.253.23.0/24 origin: AS19386 descr: Proxy-registered route object remarks: Spokane Tribe Telecommunications Exchange, LLC (Spokane Tribe of Indians) mnt-by: MAINT-AS16713 changed: szenishek [at] noanet.net 20220429 #18:22:50Z source: RADB last-modified: 2023-11-13T16:10:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source