The requested vessel with name SAN ANTONIO II and MMSI:0 and IMO:5328079 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
SAN ANTONIO II N/A 212983064 Nov 06, 2017 06:35 UTC

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