These entries are queried from radb.net using whois, you can try my project getting these.
:AS41898 route: 91.135.16.0/20 descr: DTG origin: AS41898 mnt-by: DTG-mnt created: 2006-11-20T09:59:21Z last-modified: 2011-11-15T12:51:46Z 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 route: 95.130.32.0/21 descr: DTG origin: AS41898 mnt-by: DTG-mnt created: 2009-03-03T09:18:44Z last-modified: 2009-03-03T09:18:44Z 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 route: 158.255.56.0/21 descr: DTG origin: AS41898 mnt-by: DTG-mnt created: 2011-11-15T12:54:28Z last-modified: 2011-11-15T12:54:28Z 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