These entries are queried from radb.net using whois, you can try my project getting these.
:AS5067 route: 168.75.64.0/20 descr: ClearBlue Technologies - New York City origin: AS5067 mnt-by: CLEARBLUE-MNT changed: jon.looney [at] clearblue.com 20020911 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 207.127.101.0/24 descr: ClearBlue Technologies - nyny01 name servers origin: AS5067 mnt-by: CLEARBLUE-MNT changed: jon.looney [at] clearblue.com 20020912 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source