PING web20vn.com--www.51banqian.com (104.21.76.82) 56(84) bytes of data.
64 bytes from 104.21.76.82 (104.21.76.82): icmp_seq=1 ttl=59 time=5.15 ms
64 bytes from 104.21.76.82 (104.21.76.82): icmp_seq=2 ttl=59 time=5.42 ms
64 bytes from 104.21.76.82 (104.21.76.82): icmp_seq=3 ttl=59 time=5.25 ms

--- web20vn.com--www.51banqian.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 5.152/5.276/5.427/0.141 ms