The requested vessel with name NAVSTON and MMSI:418000092 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
NAVSTON N/A 419000041 Aug 16, 2016 05:21 UTC

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