The requested vessel with name KOUFRA and MMSI:4863604 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
KOUFRA N/A 227082242 SPYCK Feb 18, 2018 20:27 UTC
KOUFRA N/A 227096180 FRISEVN026BRDG100889 Jun 08, 2016 23:53 UTC

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