PING mlsh.net.cn (154.193.121.86) 56(84) bytes of data.
64 bytes from 154.193.121.86 (154.193.121.86): icmp_seq=1 ttl=121 time=249 ms
64 bytes from 154.193.121.86 (154.193.121.86): icmp_seq=2 ttl=121 time=247 ms
64 bytes from 154.193.121.86 (154.193.121.86): icmp_seq=3 ttl=121 time=247 ms

--- mlsh.net.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 247.642/248.146/249.090/0.781 ms