These entries are queried from radb.net using whois, you can try my project getting these.
:AS328146 route: 160.119.220.0/22 origin: AS328146 mnt-by: SICL1-MNT created: 2017-05-02T08:19:32Z last-modified: 2018-09-04T18:48:35Z source: RIPE-NONAUTH 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: 160.119.220.0/22 descr: SAINT ICT CONSULTANTS (PTY) LTD origin: AS328146 org: ORG-SICL1-AFRINIC mnt-routes: SICL1-MNT mnt-by: SICL1-MNT changed: *** [at] saint.co.za 20191203 source: AFRINIC rpki-ov-state: valid route: 160.119.220.0/23 descr: SAINT ICT CONSULTANTS (PTY) LTD origin: AS328146 mnt-by: SICL1-MNT changed: *** [at] saint.co.za 20191130 source: AFRINIC rpki-ov-state: valid route: 160.119.220.0/24 origin: AS328146 mnt-by: SICL1-MNT created: 2017-07-04T02:23:41Z last-modified: 2018-09-04T18:51:57Z source: RIPE-NONAUTH 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: 160.119.221.0/24 origin: AS328146 mnt-by: SICL1-MNT created: 2017-07-04T02:24:21Z last-modified: 2018-09-04T18:51:58Z source: RIPE-NONAUTH 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: 160.119.222.0/23 descr: SAINT ICT CONSULTANTS (PTY) LTD origin: AS328146 mnt-by: SICL1-MNT changed: *** [at] saint.co.za 20191130 source: AFRINIC rpki-ov-state: valid route: 160.119.222.0/24 origin: AS328146 mnt-by: SICL1-MNT created: 2017-06-30T18:10:11Z last-modified: 2018-09-04T18:51:54Z source: RIPE-NONAUTH 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: 160.119.223.0/24 origin: AS328146 mnt-by: SICL1-MNT created: 2017-07-04T02:24:57Z last-modified: 2018-09-04T18:51:58Z source: RIPE-NONAUTH 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