PING www.dotup.up_www.98guobin.cn (104.21.76.153) 56(84) bytes of data.
64 bytes from 104.21.76.153 (104.21.76.153): icmp_seq=1 ttl=59 time=5.45 ms
64 bytes from 104.21.76.153 (104.21.76.153): icmp_seq=2 ttl=59 time=5.16 ms
64 bytes from 104.21.76.153 (104.21.76.153): icmp_seq=3 ttl=59 time=5.38 ms

--- www.dotup.up_www.98guobin.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2006ms
rtt min/avg/max/mdev = 5.163/5.332/5.454/0.137 ms