PING www.peiaiqun.com (104.21.81.63) 56(84) bytes of data.
64 bytes from 104.21.81.63 (104.21.81.63): icmp_seq=1 ttl=60 time=4.58 ms
64 bytes from 104.21.81.63 (104.21.81.63): icmp_seq=2 ttl=60 time=4.00 ms
64 bytes from 104.21.81.63 (104.21.81.63): icmp_seq=3 ttl=60 time=4.06 ms

--- www.peiaiqun.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 4.002/4.218/4.588/0.267 ms