These entries are queried from radb.net using whois, you can try my project getting these.
:AS46008 route: 61.43.209.0/24 descr: Postec origin: AS46008 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20101023 #19:29:16Z source: RADB last-modified: 2023-11-13T16:15:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source