These entries are queried from radb.net using whois, you can try my project getting these.
:AS398163 route: 209.203.137.0/24 descr: PROXY REGISTRATION FOR DOWNSTREAM CUSTOMER descr: FastTrack Communications Inc. descr: 779 Tech Center Drive, Ste 200 descr: Durango, Colorado 81301 descr: US origin: AS398163 mnt-by: MNT-FASTT changed: dredman [at] fasttrackcomm.net 20211004 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source