The requested vessel with name FRITZ LEXOW and MMSI:218555555 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
FRITZ LEXOW N/A 211627390 WILSTER Oct 08, 2017 12:55 UTC

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