These entries are queried from radb.net using whois, you can try my project getting these.
:AS58319 route: 195.13.50.0/24 descr: Main office network block origin: AS58319 mnt-by: kazakov-mnt mnt-by: AK24064-MNT created: 2012-06-27T15:07:38Z last-modified: 2012-07-20T15:46:58Z source: RIPE notify: noc [at] 4d.net.ru 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 route6: 2a03:5a00:d::/48 descr: IPv6 Network block origin: AS58319 mnt-by: AK24064-MNT mnt-by: kazakov-mnt created: 2012-10-17T10:58:33Z last-modified: 2012-10-17T10:58:33Z source: RIPE notify: noc [at] 4d.net.ru notify: noc [at] lynxtelecom.net 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