The requested vessel with name PENANG and MMSI:0 and IMO:7501443 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
PENANG BRIDGE 9470753 351639000 LCH_TH Dec 11, 2017 07:53 UTC

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