These entries are queried from radb.net using whois, you can try my project getting these.
:AS49248 route: 91.212.102.0/24 descr: ULSA-route origin: AS49248 mnt-by: MNT-ULSA created: 2010-07-15T13:09:41Z last-modified: 2010-09-13T21:07:53Z 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