PING cn.suducdn.com (122.114.46.210) 56(84) bytes of data.
64 bytes from 122.114.46.210 (122.114.46.210): icmp_seq=1 ttl=53 time=251 ms
64 bytes from 122.114.46.210 (122.114.46.210): icmp_seq=2 ttl=53 time=247 ms
64 bytes from 122.114.46.210 (122.114.46.210): icmp_seq=3 ttl=53 time=243 ms

--- cn.suducdn.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 1999ms
rtt min/avg/max/mdev = 243.520/247.520/251.310/3.183 ms