The requested vessel with name SEA ROVER and MMSI:0 and IMO:5422564 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
SEA ROVER N/A 235061894 Sep 21, 2017 08:57 UTC
SEA ROVER II N/A 316021693 Dec 10, 2017 05:15 UTC

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