PING www.220zhu.com (104.21.52.30) 56(84) bytes of data.
64 bytes from 104.21.52.30 (104.21.52.30): icmp_seq=1 ttl=60 time=4.83 ms
64 bytes from 104.21.52.30 (104.21.52.30): icmp_seq=2 ttl=60 time=4.65 ms
64 bytes from 104.21.52.30 (104.21.52.30): icmp_seq=3 ttl=60 time=4.71 ms

--- www.220zhu.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 4.654/4.734/4.838/0.110 ms