PING web20vn.com--www.puhuika.com (104.21.12.216) 56(84) bytes of data.
64 bytes from 104.21.12.216 (104.21.12.216): icmp_seq=1 ttl=59 time=4.76 ms
64 bytes from 104.21.12.216 (104.21.12.216): icmp_seq=2 ttl=59 time=4.52 ms
64 bytes from 104.21.12.216 (104.21.12.216): icmp_seq=3 ttl=59 time=4.50 ms

--- web20vn.com--www.puhuika.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 4.503/4.599/4.769/0.132 ms