PING bjblx.cn (103.151.4.221) 56(84) bytes of data.
64 bytes from 103.151.4.221 (103.151.4.221): icmp_seq=1 ttl=56 time=257 ms
64 bytes from 103.151.4.221 (103.151.4.221): icmp_seq=2 ttl=56 time=255 ms
64 bytes from 103.151.4.221 (103.151.4.221): icmp_seq=3 ttl=56 time=256 ms

--- bjblx.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 255.045/256.300/257.659/1.218 ms