PING www.ladingwupeixun.com (104.21.32.1) 56(84) bytes of data.
64 bytes from 104.21.32.1 (104.21.32.1): icmp_seq=1 ttl=60 time=4.70 ms
64 bytes from 104.21.32.1 (104.21.32.1): icmp_seq=2 ttl=60 time=3.97 ms
64 bytes from 104.21.32.1 (104.21.32.1): icmp_seq=3 ttl=60 time=4.03 ms

--- www.ladingwupeixun.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 3.974/4.238/4.708/0.341 ms