PING www.0312mj.cn (154.213.234.41) 56(84) bytes of data.
64 bytes from 154.213.234.41 (154.213.234.41): icmp_seq=1 ttl=52 time=248 ms
64 bytes from 154.213.234.41 (154.213.234.41): icmp_seq=2 ttl=52 time=248 ms
64 bytes from 154.213.234.41 (154.213.234.41): icmp_seq=3 ttl=52 time=246 ms

--- www.0312mj.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 246.127/247.512/248.369/1.068 ms