These entries are queried from radb.net using whois, you can try my project getting these.
:AS198285 route: 158.255.56.0/24 descr: DATAKOM origin: AS198285 mnt-by: DTG-mnt created: 2014-02-26T09:07:57Z last-modified: 2014-02-26T09:07:57Z 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