PING 15navi.com (43.206.18.5) 56(84) bytes of data.
64 bytes from ec2-43-206-18-5.ap-northeast-1.compute.amazonaws.com (43.206.18.5):
icmp_seq=1 ttl=249 time=245 ms
64 bytes from ec2-43-206-18-5.ap-northeast-1.compute.amazonaws.com (43.206.18.5):
icmp_seq=2 ttl=249 time=244 ms
64 bytes from ec2-43-206-18-5.ap-northeast-1.compute.amazonaws.com (43.206.18.5):
icmp_seq=3 ttl=249 time=244 ms

--- 15navi.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 244.355/244.622/245.084/0.658 ms