The requested vessel with name MAURO I and MMSI:0 and IMO:8004624 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
MAURO II N/A 247050430 Dec 13, 2017 09:29 UTC

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