The requested vessel with name NEGRO and MMSI:345882669 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
NEGRO OCHO N/A 710026520 Aug 14, 2016 21:37 UTC
NEGRON N/A 775996414 Apr 01, 2016 15:14 UTC

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