These entries are queried from radb.net using whois, you can try my project getting these.
:AS139876 route: 103.146.117.0/24 origin: AS139876 descr: Vocus Route IPv4 mnt-by: MAINT-AS9790 changed: radbupdater [at] vocusgroup.co.nz 20230723 source: RADB last-modified: 2023-11-13T16:17:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source