The requested vessel with name SEEFALKE and MMSI:0 and IMO:5317288 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
SEEFALKE 9421233 218692000 FISHING PATROL Nov 21, 2017 21:58 UTC
SEEFALKE N/A 211232960 BENSERSIEL Nov 17, 2017 06:16 UTC

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