PING www.nxgaokao.com (38.21.19.158) 56(84) bytes of data.
64 bytes from 38.21.19.158 (38.21.19.158): icmp_seq=1 ttl=122 time=154 ms
64 bytes from 38.21.19.158 (38.21.19.158): icmp_seq=2 ttl=122 time=151 ms
64 bytes from 38.21.19.158 (38.21.19.158): icmp_seq=3 ttl=122 time=151 ms

--- www.nxgaokao.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 151.829/152.709/154.392/1.272 ms