These entries are queried from radb.net using whois, you can try my project getting these.
:AS15614 route: 178.209.128.0/19 descr: Dragon Internet descr: http://www.dragon.cz origin: AS15614 mnt-by: DRAGON-MNT created: 2010-06-03T16:16:22Z last-modified: 2010-06-03T16:17:36Z 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: 213.168.176.0/20 descr: Dragon Internet descr: http://www.dragon.cz origin: AS15614 mnt-by: DRAGON-MNT created: 2003-04-08T14:33:22Z last-modified: 2013-06-07T10:19:46Z 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 route6: 2a02:13b8::/29 descr: Dragon Internet descr: http://www.dragon.cz origin: AS15614 mnt-by: DRAGON-MNT created: 2016-06-15T10:09:01Z last-modified: 2016-06-15T10:09:01Z 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