These entries are queried from radb.net using whois, you can try my project getting these.
:AS31522 route: 193.138.67.0/24 descr: BTV-BG origin: AS31522 mnt-by: ORBITEL-NOC created: 2004-06-04T14:48:32Z last-modified: 2004-06-04T14:48:32Z 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