PING sqgq.com.cn (104.21.91.157) 56(84) bytes of data.
64 bytes from 104.21.91.157 (104.21.91.157): icmp_seq=1 ttl=60 time=7.58 ms
64 bytes from 104.21.91.157 (104.21.91.157): icmp_seq=2 ttl=60 time=4.24 ms
64 bytes from 104.21.91.157 (104.21.91.157): icmp_seq=3 ttl=60 time=4.24 ms

--- sqgq.com.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 4.247/5.359/7.583/1.574 ms