The requested vessel with name PRETORIA and MMSI:215406736 and IMO:0 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
PRETORIA N/A 211540670 MERTERT Feb 16, 2018 13:58 UTC

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