PING www.u3t.cn (154.215.226.250) 56(84) bytes of data.
64 bytes from 154.215.226.250 (154.215.226.250): icmp_seq=1 ttl=124 time=200 ms
64 bytes from 154.215.226.250 (154.215.226.250): icmp_seq=2 ttl=124 time=198 ms
64 bytes from 154.215.226.250 (154.215.226.250): icmp_seq=3 ttl=124 time=198 ms

--- www.u3t.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 198.745/199.243/200.000/0.654 ms