PING 154.223.167.131.hk1.laoxuezhuji.com (154.223.167.131) 56(84) bytes of data.
64 bytes from 154.223.167.131 (154.223.167.131): icmp_seq=1 ttl=58 time=290 ms
64 bytes from 154.223.167.131 (154.223.167.131): icmp_seq=2 ttl=58 time=289 ms
64 bytes from 154.223.167.131 (154.223.167.131): icmp_seq=3 ttl=58 time=289 ms

--- 154.223.167.131.hk1.laoxuezhuji.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 289.313/289.610/290.146/0.580 ms