These entries are queried from radb.net using whois, you can try my project getting these.
:AS37144 route: 196.46.20.0/24 descr: ValuCard Nigeria origin: AS37144 mnt-by: NG-NIGERIA-MNT created: 2010-05-28T18:31:20Z last-modified: 2018-09-04T16:16:46Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 196.46.20.0/24 descr: Proxy-registered route object origin: AS37144 mnt-by: MAINT-AS36994 changed: ashwin.lalla [at] vodacom.co.za 20170211 #20:20:43Z source: RADB last-modified: 2023-11-13T15:50:38Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source