PING mobilesns.cs.nccu.edu.tw (140.119.164.90) 56(84) bytes of data.
64 bytes from mobilesns.cs.nccu.edu.tw (140.119.164.90): icmp_seq=1 ttl=55 time=224 ms
64 bytes from mobilesns.cs.nccu.edu.tw (140.119.164.90): icmp_seq=2 ttl=55 time=224 ms
64 bytes from mobilesns.cs.nccu.edu.tw (140.119.164.90): icmp_seq=3 ttl=55 time=223 ms

--- mobilesns.cs.nccu.edu.tw ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2884ms
rtt min/avg/max/mdev = 223.720/224.166/224.524/0.640 ms