These entries are queried from radb.net using whois, you can try my project getting these.
:AS37207 route: 196.46.27.0/24 descr: NNPC ROUTE origin: AS37207 mnt-by: MAINT-AS37207 created: 2012-06-25T11:19:57Z last-modified: 2018-09-04T17:11:49Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 196.46.27.0/24 descr: Proxy-registered route object origin: AS37207 mnt-by: MAINT-AS36994 changed: vbpeering [at] vodacom.co.za 20170621 #12:25:07Z source: RADB last-modified: 2023-11-13T15:51:14Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source