PING www.dnrd.cn (154.220.45.218) 56(84) bytes of data.
64 bytes from 154.220.45.218 (154.220.45.218): icmp_seq=1 ttl=53 time=243 ms
64 bytes from 154.220.45.218 (154.220.45.218): icmp_seq=2 ttl=53 time=243 ms
64 bytes from 154.220.45.218 (154.220.45.218): icmp_seq=3 ttl=53 time=243 ms

--- www.dnrd.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 243.306/243.596/243.962/0.486 ms