PING szming83143541.cn.gongchang.com (43.136.57.228) 56(84) bytes of data.
64 bytes from 43.136.57.228 (43.136.57.228): icmp_seq=1 ttl=49 time=306 ms
64 bytes from 43.136.57.228 (43.136.57.228): icmp_seq=2 ttl=49 time=306 ms
64 bytes from 43.136.57.228 (43.136.57.228): icmp_seq=3 ttl=49 time=306 ms

--- szming83143541.cn.gongchang.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2663ms
rtt min/avg/max/mdev = 306.481/306.557/306.621/0.641 ms