These entries are queried from radb.net using whois, you can try my project getting these.
:AS204280 route: 185.107.184.0/22 descr: Sielte S.p.A. origin: AS204280 mnt-by: it-sielte-1-mnt created: 2015-08-10T17:16:45Z last-modified: 2015-08-10T17:16:45Z 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: 185.107.184.0/23 origin: AS204280 mnt-by: it-sielte-1-mnt created: 2019-07-25T07:22:36Z last-modified: 2019-07-25T07:22:36Z 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: 185.107.186.0/24 origin: AS204280 mnt-by: it-sielte-1-mnt created: 2019-07-25T07:23:15Z last-modified: 2019-07-25T07:23:15Z 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: 185.107.187.0/24 origin: AS204280 mnt-by: it-sielte-1-mnt created: 2019-07-25T07:23:50Z last-modified: 2019-07-25T07:23:50Z 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