These entries are queried from radb.net using whois, you can try my project getting these.
:AS40436 route: 208.75.136.0/22 descr: Netmosphere Inc descr: 7591 St-Denis descr: Montreal CA H2R2E7 origin: AS40436 notify: francoisp [at] netmosphere.net mnt-by: MNT-NETMO-3 changed: francoisp [at] netmosphere.net 20161027 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source