The requested vessel with name CHI STAR and MMSI:0 and IMO:6619750 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
CHIPSTAR 9165918 356435000 VIZAG,INDIA Dec 20, 2013 06:58 UTC

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