These entries are queried from radb.net using whois, you can try my project getting these.
:AS36965 route: 41.73.160.0/19 descr: WIATZ IPv4 Public Block origin: AS36965 mnt-by: WIA-MNT changed: *** [at] wia.co.tz 20160829 source: AFRINIC rpki-ov-state: valid route: 41.73.160.0/19 descr: WIA public IP block origin: AS36965 mnt-by: WIA-NOC created: 2014-08-07T07:07:56Z last-modified: 2018-09-04T17:58:42Z 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: 41.221.48.0/20 descr: WIA Public IP Block origin: AS36965 mnt-by: WIA-MNT changed: *** [at] wia.co.tz 20160829 source: AFRINIC rpki-ov-state: valid route: 41.221.48.0/20 descr: WIA public IP block origin: AS36965 mnt-by: WIA-NOC created: 2014-05-08T06:08:07Z last-modified: 2018-09-04T17:53:56Z 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 route6: 2001:43a0::/32 descr: WIA TZ IPv6 Public Block origin: AS36965 mnt-by: WIA-MNT changed: *** [at] wia.co.tz 20160829 source: AFRINIC rpki-ov-state: valid route6: 2001:43a0::/32 origin: AS36965 mnt-by: WIA-NOC created: 2016-07-21T16:22:21Z last-modified: 2018-09-04T19:45:02Z 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