PING www.watusa.cn (104.160.169.209) 56(84) bytes of data.
64 bytes from customer.sharktech.net (104.160.169.209): icmp_seq=1 ttl=60 time=149 ms
64 bytes from customer.sharktech.net (104.160.169.209): icmp_seq=2 ttl=60 time=149 ms
64 bytes from customer.sharktech.net (104.160.169.209): icmp_seq=3 ttl=60 time=149 ms

--- www.watusa.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 149.304/149.545/149.946/0.425 ms