PING web20vn.com--www.zgmhg.com (104.21.20.63) 56(84) bytes of data.
64 bytes from 104.21.20.63 (104.21.20.63): icmp_seq=1 ttl=60 time=5.66 ms
64 bytes from 104.21.20.63 (104.21.20.63): icmp_seq=2 ttl=60 time=4.56 ms
64 bytes from 104.21.20.63 (104.21.20.63): icmp_seq=3 ttl=60 time=4.45 ms

--- web20vn.com--www.zgmhg.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 4.459/4.898/5.667/0.545 ms