PING www.tqedu.org (172.67.140.149) 56(84) bytes of data.
64 bytes from 172.67.140.149 (172.67.140.149): icmp_seq=1 ttl=60 time=8.24 ms
64 bytes from 172.67.140.149 (172.67.140.149): icmp_seq=2 ttl=60 time=4.26 ms
64 bytes from 172.67.140.149 (172.67.140.149): icmp_seq=3 ttl=60 time=4.19 ms

--- www.tqedu.org ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 4.198/5.569/8.245/1.892 ms