These entries are queried from radb.net using whois, you can try my project getting these.
:AS13171 route: 217.21.43.0/24 descr: DELEGATED TO BELSTATEUNIVERSITY origin: AS13171 mnt-by: BYGIS-MNT mnt-by: AS13171-MNT created: 2008-03-03T15:08:59Z last-modified: 2012-03-17T07:43:40Z 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