These entries are queried from radb.net using whois, you can try my project getting these.
:AS139228 route: 206.148.23.0/24 origin: AS139228 descr: Route Registered for Cogent Communications Customer - GSL Networks PTY LTD geoidx: AU mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20221117 #15:29:26Z source: RADB last-modified: 2023-11-13T16:13:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source