PING www.czhtzg.com (121.42.109.233) 56(84) bytes of data.
64 bytes from 121.42.109.233 (121.42.109.233): icmp_seq=1 ttl=50 time=240 ms
64 bytes from 121.42.109.233 (121.42.109.233): icmp_seq=2 ttl=50 time=239 ms
64 bytes from 121.42.109.233 (121.42.109.233): icmp_seq=3 ttl=50 time=239 ms

--- www.czhtzg.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2805ms
rtt min/avg/max/mdev = 239.505/239.951/240.804/0.603 ms