These entries are queried from radb.net using whois, you can try my project getting these.
:AS21687 route: 158.57.0.0/16 descr: Customer Route ConEd tech-c: TLA2-LEVEL3 origin: AS21687 notify: support [at] datanet.net mnt-by: MNT-HVDN changed: tchamberlain [at] lightower.com 20090630 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source