RC189489695CN This is my Tracking Number, it's showing the same status from 21 December 2013.

RC189489695CN This is my Tracking Number, it's showing the same status from 21 December 2013 there is no update after 21st December 2013, how to track that where is the shipment or what is the current status of shipment and why it's take that much of time if the shipment is already sent to airline on 21st December 2013.