These entries are queried from radb.net using whois, you can try my project getting these.
:AS51419 route: 91.217.16.0/23 descr: IBT-MainBlock1 origin: AS51419 mnt-by: IBTVORON-MNT created: 2010-09-14T05:42:09Z last-modified: 2010-10-06T15:31:25Z 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: valid