PING joy.vn (172.64.151.232) 56(84) bytes of data.
64 bytes from 172.64.151.232 (172.64.151.232): icmp_seq=1 ttl=60 time=4.12 ms
64 bytes from 172.64.151.232 (172.64.151.232): icmp_seq=2 ttl=60 time=4.13 ms
64 bytes from 172.64.151.232 (172.64.151.232): icmp_seq=3 ttl=60 time=4.21 ms

--- joy.vn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 4.123/4.156/4.210/0.038 ms