The requested vessel with name DE VRIES 660 and MMSI:0 and IMO:1006647 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
DE VRIES TIDE 9258143 576784000 Jun 04, 2017 02:59 UTC

Also, you may try to find the vessel in our comprehensive Vessels Database or track this ship on the map.