PING lengdongyou.com (116.255.155.199) 56(84) bytes of data.
64 bytes from 116.255.155.199 (116.255.155.199): icmp_seq=1 ttl=112 time=273 ms
64 bytes from 116.255.155.199 (116.255.155.199): icmp_seq=2 ttl=112 time=271 ms
64 bytes from 116.255.155.199 (116.255.155.199): icmp_seq=3 ttl=112 time=271 ms

--- lengdongyou.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 271.434/272.127/273.232/0.789 ms