PING sw.cs.nccu.edu.tw (140.119.164.81) 56(84) bytes of data.
64 bytes from sw.cs.nccu.edu.tw (140.119.164.81): icmp_seq=1 ttl=54 time=241 ms
64 bytes from sw.cs.nccu.edu.tw (140.119.164.81): icmp_seq=2 ttl=54 time=241 ms
64 bytes from sw.cs.nccu.edu.tw (140.119.164.81): icmp_seq=3 ttl=54 time=241 ms

--- sw.cs.nccu.edu.tw ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 4952ms
rtt min/avg/max/mdev = 241.225/241.369/241.639/0.444 ms