These entries are queried from radb.net using whois, you can try my project getting these.
:AS328314 route: 196.223.251.0/24 descr: SMSCellularServices-IP origin: AS328314 mnt-by: SCS3-MNT changed: *** [at] cellsys.co.za 20180518 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 196.223.251.0/24 origin: AS328314 mnt-by: SMSCellularServices-MNT created: 2018-05-18T07:53:59Z last-modified: 2018-09-04T19:13:12Z 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