PING www.worldlink.com.cn (81.68.242.81) 56(84) bytes of data.
64 bytes from 81.68.242.81 (81.68.242.81): icmp_seq=1 ttl=50 time=162 ms
64 bytes from 81.68.242.81 (81.68.242.81): icmp_seq=2 ttl=50 time=159 ms
64 bytes from 81.68.242.81 (81.68.242.81): icmp_seq=3 ttl=50 time=152 ms

--- www.worldlink.com.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 152.461/158.123/162.063/4.130 ms