PING wuyuetian-6d39.edu915.com (156.242.224.69) 56(84) bytes of data.
64 bytes from 156.242.224.69 (156.242.224.69): icmp_seq=1 ttl=54 time=205 ms
64 bytes from 156.242.224.69 (156.242.224.69): icmp_seq=2 ttl=54 time=203 ms
64 bytes from 156.242.224.69 (156.242.224.69): icmp_seq=3 ttl=54 time=203 ms

--- wuyuetian-6d39.edu915.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 203.713/204.399/205.663/0.894 ms