PING nyk.vn (202.92.7.99) 56(84) bytes of data.
64 bytes from nethost-6111.inet.vn (202.92.7.99): icmp_seq=1 ttl=55 time=255 ms
64 bytes from nethost-6111.inet.vn (202.92.7.99): icmp_seq=2 ttl=55 time=255 ms
64 bytes from nethost-6111.inet.vn (202.92.7.99): icmp_seq=3 ttl=55 time=255 ms

--- nyk.vn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 1999ms
rtt min/avg/max/mdev = 255.511/255.672/255.972/0.464 ms