These entries are queried from radb.net using whois, you can try my project getting these.
:AS133939 route: 103.49.18.0/24 descr: NGSSUPER-AS-AP origin: AS133939 notify: noc [at] overthewire.com.au mnt-by: MAINT-OTWN1 changed: noc [at] overthewire.com.au 20230616 source: NTTCOM last-modified: 2023-06-16T08:52:03Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source