These entries are queried from radb.net using whois, you can try my project getting these.
:AS37686 route: 196.220.64.0/19 origin: AS37686 descr: ABU-ROUTE mnt-by: ABELLO-MNT changed: *** [at] forum.org.ng 20220518 source: AFRINIC rpki-ov-state: valid route: 196.220.64.0/23 origin: AS37686 mnt-by: MAINT-AS37686 created: 2017-08-05T21:44:45Z last-modified: 2018-09-04T18:53:49Z 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: 196.220.66.0/23 origin: AS37686 descr: ABU-ROUTE descr: NGREN-ROUTE mnt-by: ABELLO-MNT changed: *** [at] forum.org.ng 20220520 source: AFRINIC rpki-ov-state: valid route: 196.220.66.0/23 descr: ABU route origin: AS37686 mnt-by: MAINT-AS37686 created: 2014-03-11T19:22:38Z last-modified: 2018-09-04T17:52:02Z 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