PING ldrvx.cn (211.149.145.74) 56(84) bytes of data.
64 bytes from 211.149.145.74: icmp_seq=1 ttl=54 time=285 ms
64 bytes from 211.149.145.74: icmp_seq=2 ttl=54 time=285 ms
64 bytes from 211.149.145.74: icmp_seq=3 ttl=54 time=283 ms

--- ldrvx.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 7280ms
rtt min/avg/max/mdev = 283.035/284.549/285.469/1.242 ms