PING bobai.163kyun.cn (49.234.100.208) 56(84) bytes of data.
64 bytes from 49.234.100.208 (49.234.100.208): icmp_seq=1 ttl=51 time=304 ms
64 bytes from 49.234.100.208 (49.234.100.208): icmp_seq=2 ttl=51 time=304 ms
64 bytes from 49.234.100.208 (49.234.100.208): icmp_seq=3 ttl=51 time=302 ms

--- bobai.163kyun.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 302.646/304.127/304.887/1.140 ms