The requested vessel with name FENNE and MMSI:21526690 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
FENNE N/A 211526690 BEGEN04017CITYX00030 Feb 24, 2018 08:54 UTC
FENNELLA N/A 232008904 Oct 11, 2017 21:23 UTC

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