These entries are queried from radb.net using whois, you can try my project getting these.
:AS205454 route: 37.139.50.0/24 origin: AS205454 mnt-by: PIRIX-MNT created: 2017-10-12T09:15:34Z last-modified: 2017-10-12T09:15:44Z 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