The requested vessel with name MARSDEN and MMSI:0 and IMO:5226441 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
MARSDEN BAY N/A 512004671 Sep 20, 2017 03:28 UTC
MARSDEN POINT 9261750 477441100 LONGVIEW Feb 23, 2018 18:50 UTC

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