PING yangmeng.cn (43.128.7.87) 56(84) bytes of data.
64 bytes from 43.128.7.87 (43.128.7.87): icmp_seq=1 ttl=55 time=200 ms
64 bytes from 43.128.7.87 (43.128.7.87): icmp_seq=2 ttl=55 time=198 ms
64 bytes from 43.128.7.87 (43.128.7.87): icmp_seq=3 ttl=55 time=198 ms

--- yangmeng.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 198.064/198.845/200.281/1.139 ms