The requested vessel with name NENA and MMSI:0 and IMO:7372816 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
NENA N/A 265707280 Jan 05, 2018 11:23 UTC
NENA N/A 338213323 Sep 09, 2017 19:27 UTC
NENA VII N/A 224369870 Nov 01, 2017 15:43 UTC

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