PING m.aizhan.com.wscdns.com (163.171.137.16) 56(84) bytes of data.
64 bytes from 163.171.137.16 (163.171.137.16): icmp_seq=1 ttl=49 time=34.4 ms
64 bytes from 163.171.137.16 (163.171.137.16): icmp_seq=2 ttl=49 time=33.1 ms
64 bytes from 163.171.137.16 (163.171.137.16): icmp_seq=3 ttl=49 time=33.1 ms

--- m.aizhan.com.wscdns.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 33.108/33.565/34.408/0.632 ms