PING www.dotup.up_www.qaadd.cn (104.21.64.1) 56(84) bytes of data.
64 bytes from 104.21.64.1 (104.21.64.1): icmp_seq=1 ttl=60 time=5.91 ms
64 bytes from 104.21.64.1 (104.21.64.1): icmp_seq=2 ttl=60 time=4.24 ms
64 bytes from 104.21.64.1 (104.21.64.1): icmp_seq=3 ttl=60 time=4.18 ms

--- www.dotup.up_www.qaadd.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 4.187/4.784/5.917/0.801 ms