PING dz-www.911148.com (104.21.12.50) 56(84) bytes of data.
64 bytes from 104.21.12.50 (104.21.12.50): icmp_seq=1 ttl=60 time=4.77 ms
64 bytes from 104.21.12.50 (104.21.12.50): icmp_seq=2 ttl=60 time=4.34 ms
64 bytes from 104.21.12.50 (104.21.12.50): icmp_seq=3 ttl=60 time=4.18 ms

--- dz-www.911148.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 4.180/4.435/4.777/0.257 ms