PING bcua.cn (149.120.186.61) 56(84) bytes of data.
64 bytes from 149.120.186.61 (149.120.186.61): icmp_seq=1 ttl=119 time=305 ms
64 bytes from 149.120.186.61 (149.120.186.61): icmp_seq=2 ttl=119 time=291 ms
64 bytes from 149.120.186.61 (149.120.186.61): icmp_seq=3 ttl=119 time=294 ms

--- bcua.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 291.791/297.338/305.291/5.801 ms