The requested vessel with name DE NEGEN and MMSI:244054606 and IMO:0 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
DE NEGEN N/A 244670652 AMSTERDAM Feb 20, 2018 23:57 UTC

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