The requested vessel with name PORTER 94 and MMSI:345901711 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
PORTER II N/A 338237356 Jan 17, 2018 19:56 UTC

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