PING www.jxelib.cn (104.21.20.33) 56(84) bytes of data.
64 bytes from 104.21.20.33 (104.21.20.33): icmp_seq=1 ttl=60 time=4.84 ms
64 bytes from 104.21.20.33 (104.21.20.33): icmp_seq=2 ttl=60 time=4.23 ms
64 bytes from 104.21.20.33 (104.21.20.33): icmp_seq=3 ttl=60 time=4.32 ms

--- www.jxelib.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2007ms
rtt min/avg/max/mdev = 4.230/4.465/4.846/0.277 ms