These entries are queried from radb.net using whois, you can try my project getting these.
:AS60744 route: 213.184.228.0/23 descr: DELEGATED Heat and Mass Transfer origin: AS60744 mnt-by: BYGIS-MNT created: 2013-06-19T12:20:38Z last-modified: 2013-06-19T12:20:38Z 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 route: 217.21.57.0/24 descr: DELEGATED origin: AS60744 mnt-by: BYGIS-MNT created: 2013-06-24T07:39:01Z last-modified: 2013-06-24T07:39:01Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 217.21.62.0/24 descr: DELEGATED origin: AS60744 mnt-by: BYGIS-MNT created: 2013-06-24T07:42:16Z last-modified: 2013-06-24T07:42:16Z 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