These entries are queried from radb.net using whois, you can try my project getting these.
:AS18239 route: 202.148.96.0/20 descr: Temporary Obj for CNC-H origin: AS18239 notify: ops [at] ntt.net mnt-by: MAINT-NTTCOM-BB changed: naoki [at] ntt.net 20040826 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source