These entries are queried from radb.net using whois, you can try my project getting these.
:AS54890 route: 101.203.84.0/23 origin: AS54890 mnt-by: MNT-BU-231 tech-c: NETWO9170-ARIN admin-c: NETWO9170-ARIN source: ARIN created: 2020-11-05T15:17:43Z last-modified: 2020-11-05T15:17:43Z descr: MNT-BU-231 route 101.203.084.000/23 AS54890 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source