The requested vessel with name OCEAN PRAWNS and MMSI:0 and IMO:7638325 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
OCEAN PRAWNS 8505484 316100000 HARBOUR GRACE Aug 28, 2017 09:12 UTC

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