PING www.rongsheng-bx.com (104.21.44.10) 56(84) bytes of data.
64 bytes from 104.21.44.10 (104.21.44.10): icmp_seq=1 ttl=60 time=6.49 ms
64 bytes from 104.21.44.10 (104.21.44.10): icmp_seq=2 ttl=60 time=4.18 ms
64 bytes from 104.21.44.10 (104.21.44.10): icmp_seq=3 ttl=60 time=3.99 ms

--- www.rongsheng-bx.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 3.997/4.892/6.493/1.135 ms