PING dgriwang.cn (108.186.54.76) 56(84) bytes of data.
64 bytes from 108.186.54.76: icmp_seq=1 ttl=122 time=142 ms
64 bytes from 108.186.54.76: icmp_seq=2 ttl=122 time=142 ms
64 bytes from 108.186.54.76: icmp_seq=3 ttl=122 time=142 ms

--- dgriwang.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 4728ms
rtt min/avg/max/mdev = 142.235/142.393/142.689/0.483 ms