The requested vessel with name CAP EST and MMSI:0 and IMO:6051831 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
CAPWEST 44 N/A 227080620 Jun 12, 2017 07:20 UTC

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