These entries are queried from radb.net using whois, you can try my project getting these.
:AS60526 route: 185.152.212.0/24 origin: AS60526 mnt-by: nl-hivos-1-mnt created: 2016-08-17T07:12:20Z last-modified: 2016-08-17T07:12:20Z source: RIPE 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: 185.152.214.0/24 origin: AS60526 mnt-by: nl-hivos-1-mnt mnt-by: nl-hivos-1-mnt created: 2021-09-27T08:44:47Z last-modified: 2021-09-27T08:44:47Z source: RIPE 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