The requested vessel with name MINDEN and MMSI:211217250 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
MINDEN N/A 211711950 Sep 24, 2017 14:08 UTC
MINDEN N/A 235006805 Sep 19, 2017 12:50 UTC

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