These entries are queried from radb.net using whois, you can try my project getting these.
:AS47788 route: 91.208.153.0/24 descr: default origin: AS47788 mnt-by: MNT-NIX created: 2008-09-10T10:44:13Z last-modified: 2008-09-10T10:44:13Z 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