These entries are queried from radb.net using whois, you can try my project getting these.
:AS37426 route: 196.43.232.0/24 descr: Asset Management Corporation of Nigeria origin: AS37426 mnt-by: MAINT-AMCON created: 2012-03-06T08:08:01Z last-modified: 2018-09-04T17:05:19Z 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: 196.43.232.0/24 descr: AMCON origin: AS37426 mnt-by: MAINT-AS37613 changed: franklin [at] dolphintelecom.net 20170213 #10:20:48Z source: RADB last-modified: 2023-11-13T15:50:50Z rpki-ov-state: valid