The requested vessel with name PERGAMOS and MMSI:0 and IMO:7396496 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
PERGAMOS 9343833 240564000 CAPE CHARLS ANCH. Feb 19, 2018 00:14 UTC

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