These entries are queried from radb.net using whois, you can try my project getting these.
:AS139783 route: 103.145.49.0/24 descr: Proxy route object for AS139783 by AS63956 origin: AS139783 mnt-by: MAINT-AS63956 changed: noc [at] coloau.com.au 20221205 source: RADB last-modified: 2024-01-31T00:00:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source