PING web20vn.com--www.heifanqu.com (38.6.66.123) 56(84) bytes of data.
64 bytes from 38.6.66.123 (38.6.66.123): icmp_seq=1 ttl=121 time=148 ms
64 bytes from 38.6.66.123 (38.6.66.123): icmp_seq=2 ttl=121 time=145 ms
64 bytes from 38.6.66.123 (38.6.66.123): icmp_seq=3 ttl=121 time=145 ms

--- web20vn.com--www.heifanqu.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2043ms
rtt min/avg/max/mdev = 145.631/146.507/148.001/1.149 ms