These entries are queried from radb.net using whois, you can try my project getting these.
:AS39183 route: 185.252.20.0/24 origin: AS39183 descr: Micro Optics Europe mnt-by: MNT-NETPOINT-SERVICES created: 2018-08-13T08:54:42Z last-modified: 2018-08-13T08:55:42Z 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