These entries are queried from radb.net using whois, you can try my project getting these.
:AS50493 route: 193.105.63.0/24 descr: DCT Gdansk SA origin: AS50493 mnt-by: IPARTNERS-MNT mnt-by: AS50493-MNT created: 2010-01-29T07:45:24Z last-modified: 2010-07-16T09:20:16Z 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: not_found # No ROAs found, or RPKI validation not enabled for source