PING www.53it.cn (168.206.245.247) 56(84) bytes of data.
64 bytes from 168.206.245.247 (168.206.245.247): icmp_seq=1 ttl=121 time=201 ms
64 bytes from 168.206.245.247 (168.206.245.247): icmp_seq=2 ttl=121 time=199 ms
64 bytes from 168.206.245.247 (168.206.245.247): icmp_seq=3 ttl=121 time=199 ms

--- www.53it.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 199.329/200.021/201.352/1.073 ms