The requested vessel with name PEMBA and MMSI:0 and IMO:5355280 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
PEMBA 9504267 305333000 KHERSON Feb 15, 2018 09:55 UTC

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