The requested vessel with name KWANGSUNG 103 and MMSI:0 and IMO:9346237 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
KWANGSUNG F BOAT N/A 440330410 Dec 03, 2014 07:39 UTC
KWANGSUNG HO N/A 440121430 Dec 12, 2017 21:54 UTC

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