PING aerogel.cn.ip4.bz (217.31.50.242) 56(84) bytes of data.
64 bytes from 217.31.50.242 (217.31.50.242): icmp_seq=1 ttl=60 time=15.4 ms
64 bytes from 217.31.50.242 (217.31.50.242): icmp_seq=2 ttl=60 time=15.0 ms
64 bytes from 217.31.50.242 (217.31.50.242): icmp_seq=3 ttl=60 time=14.9 ms

--- aerogel.cn.ip4.bz ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 14.958/15.131/15.413/0.224 ms