PING www.bjwfjj.com (104.21.49.71) 56(84) bytes of data.
64 bytes from 104.21.49.71 (104.21.49.71): icmp_seq=1 ttl=60 time=3.96 ms
64 bytes from 104.21.49.71 (104.21.49.71): icmp_seq=2 ttl=60 time=4.15 ms
64 bytes from 104.21.49.71 (104.21.49.71): icmp_seq=3 ttl=60 time=3.90 ms

--- www.bjwfjj.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 3.907/4.008/4.159/0.130 ms