PING bbs.91jiaoyi.cn (38.11.153.202) 56(84) bytes of data.
64 bytes from 38.11.153.202 (38.11.153.202): icmp_seq=1 ttl=121 time=220 ms
64 bytes from 38.11.153.202 (38.11.153.202): icmp_seq=2 ttl=121 time=220 ms
64 bytes from 38.11.153.202 (38.11.153.202): icmp_seq=3 ttl=121 time=220 ms

--- bbs.91jiaoyi.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 220.090/220.330/220.672/0.456 ms