These entries are queried from radb.net using whois, you can try my project getting these.
:AS37024 route: 41.190.39.0/24 descr: YoAHRE-Route7 origin: AS37024 mnt-by: YOAFRICA-MNT changed: *** [at] yoafrica.com 20160229 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 41.190.62.0/23 descr: yo-route-1-19-2-23 origin: AS37024 mnt-by: YOAFRICA-MNT-RIPE created: 2008-07-22T10:24:19Z last-modified: 2018-09-04T15:54:21Z 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: 41.190.62.0/23 descr: YoAFalls-Route3 origin: AS37024 mnt-by: YOAFRICA-MNT changed: *** [at] yoafrica.com 20160229 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 41.190.62.0/24 descr: YoAFalls-Route origin: AS37024 mnt-by: YOAFRICA-MNT changed: *** [at] yoafrica.com 20160229 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 41.190.63.0/24 descr: YoAFalls-Route2 origin: AS37024 mnt-by: YOAFRICA-MNT changed: *** [at] yoafrica.com 20160229 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source