These entries are queried from radb.net using whois, you can try my project getting these.
:AS51539 route: 46.30.224.0/21 descr: AUIS Route Object origin: AS51539 mnt-by: AUIS-NT-ADM-MNT created: 2010-09-30T06:49:45Z last-modified: 2015-10-07T11:20:39Z 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: 46.30.226.0/23 descr: AUI-S Route Object 2 origin: AS51539 mnt-by: AUIS-NT-ADM-MNT created: 2011-04-26T11:56:12Z last-modified: 2015-10-07T11:20:21Z 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: 46.30.228.0/23 descr: AUIS route object 4 origin: AS51539 mnt-by: AUIS-NT-ADM-MNT created: 2015-05-27T08:29:17Z last-modified: 2015-10-07T11:19:52Z 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: 2a06:d980::/29 descr: AUIS IPv6 Address Range origin: AS51539 mnt-by: AUIS-NT-ADM-MNT created: 2016-01-06T08:32:41Z last-modified: 2016-01-06T08:32:41Z 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