PING jiaxin.im (76.76.21.21) 56(84) bytes of data.
64 bytes from 76.76.21.21 (76.76.21.21): icmp_seq=1 ttl=251 time=4.31 ms
64 bytes from 76.76.21.21 (76.76.21.21): icmp_seq=2 ttl=251 time=3.87 ms
64 bytes from 76.76.21.21 (76.76.21.21): icmp_seq=3 ttl=251 time=3.92 ms

--- jiaxin.im ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 3.878/4.039/4.317/0.197 ms