PING 7sohu.cn (104.21.64.1) 56(84) bytes of data.
64 bytes from 104.21.64.1 (104.21.64.1): icmp_seq=1 ttl=60 time=5.79 ms
64 bytes from 104.21.64.1 (104.21.64.1): icmp_seq=2 ttl=60 time=4.08 ms
64 bytes from 104.21.64.1 (104.21.64.1): icmp_seq=3 ttl=60 time=4.04 ms

--- 7sohu.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 4.041/4.641/5.795/0.819 ms