The requested vessel with name PEMBA and MMSI:0 and IMO:8017279 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 VARNA Feb 23, 2018 04:17 UTC

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