The requested vessel with name ANTIGONI B and MMSI:0 and IMO:7601578 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
ANTIGONI B 9588512 538006661 HOUSTON Feb 16, 2018 08:39 UTC

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