The requested vessel with name BIG BOSS and MMSI:0 and IMO:7927702 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
BIG BOSS N/A 271041995 May 08, 2017 08:04 UTC
BIG BOSS N/A 271043697 Oct 05, 2013 02:41 UTC
BIG BOSS N/A 205055000 Apr 20, 2012 05:27 UTC

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