The requested vessel with name KU SAN and MMSI:0 and IMO:9352834 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
KUMSAN N/A 440112260 Oct 06, 2016 02:17 UTC
KUNSAN101HO N/A 440505710 Apr 05, 2017 01:47 UTC

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