PING ip-fd0818.cn.gongchang.com (106.52.20.19) 56(84) bytes of data.
64 bytes from 106.52.20.19 (106.52.20.19): icmp_seq=1 ttl=50 time=297 ms
64 bytes from 106.52.20.19 (106.52.20.19): icmp_seq=2 ttl=50 time=296 ms
64 bytes from 106.52.20.19 (106.52.20.19): icmp_seq=3 ttl=50 time=296 ms

--- ip-fd0818.cn.gongchang.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 296.218/296.645/297.390/0.690 ms