These entries are queried from radb.net using whois, you can try my project getting these.
:AS62315 route: 91.250.246.0/24 descr: NN Lease SRL origin: AS62315 mnt-by: NN-LEASE-MNT created: 2013-11-14T11:20:17Z last-modified: 2013-11-14T11:20:17Z 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