PING cn.suducdn.com (122.114.46.109) 56(84) bytes of data.
64 bytes from 122.114.46.109 (122.114.46.109): icmp_seq=1 ttl=53 time=279 ms
64 bytes from 122.114.46.109 (122.114.46.109): icmp_seq=2 ttl=53 time=250 ms
64 bytes from 122.114.46.109 (122.114.46.109): icmp_seq=3 ttl=53 time=290 ms

--- cn.suducdn.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 250.875/273.395/290.015/16.520 ms