PING www.lingyunyy.com (121.199.23.147) 56(84) bytes of data.
64 bytes from 121.199.23.147 (121.199.23.147): icmp_seq=1 ttl=114 time=158 ms
64 bytes from 121.199.23.147 (121.199.23.147): icmp_seq=2 ttl=114 time=157 ms
64 bytes from 121.199.23.147 (121.199.23.147): icmp_seq=3 ttl=114 time=157 ms

--- www.lingyunyy.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 157.700/157.859/158.084/0.163 ms