Pinging ec2-54-178-196-171.ap-northeast-1.compute.amazonaws.com [54.178.196.171] with 32 bytes of data: Request timed out. Request timed out. Request timed out. Request timed out. Ping statistics for 54.178.196.171: Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),