These entries are queried from radb.net using whois, you can try my project getting these.
:AS29421 route: 195.137.250.0/23 descr: Digital Communications, inc origin: AS29421 notify: igor [at] dci.com.ua mnt-by: DCI-MNT mnt-by: AS6886-MNT created: 2003-09-04T23:21:16Z last-modified: 2019-10-22T14:20:37Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source