Pinging ec2-13-114-101-221.ap-northeast-1.compute.amazonaws.com [13.114.101.221] with 32 bytes of data: Request timed out. Request timed out. Request timed out. Request timed out. Ping statistics for 13.114.101.221: Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),