PING sun-eco.com.cn (121.40.81.18) 56(84) bytes of data.
64 bytes from 121.40.81.18 (121.40.81.18): icmp_seq=1 ttl=51 time=206 ms
64 bytes from 121.40.81.18 (121.40.81.18): icmp_seq=2 ttl=51 time=204 ms
64 bytes from 121.40.81.18 (121.40.81.18): icmp_seq=3 ttl=51 time=204 ms

--- sun-eco.com.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 204.580/205.478/206.981/1.190 ms