These entries are queried from radb.net using whois, you can try my project getting these.
:AS40881 route: 23.137.32.0/24 descr: Fispe, Inc. descr: 1844 Ryan Road descr: Mount Pleasant, WI 53406 descr: US origin: AS40881 member-of: RS-FISPY-ARIN-01 mnt-by: MNT-FISPE changed: jorge [at] fispe.com 20190802 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source