PING www.nuogu.com.cn (47.89.47.186) 56(84) bytes of data.
64 bytes from 47.89.47.186 (47.89.47.186): icmp_seq=1 ttl=57 time=251 ms
64 bytes from 47.89.47.186 (47.89.47.186): icmp_seq=2 ttl=57 time=250 ms
64 bytes from 47.89.47.186 (47.89.47.186): icmp_seq=3 ttl=57 time=250 ms

--- www.nuogu.com.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 250.412/250.862/251.744/0.623 ms