PING qqdel.wangjianran.com (38.6.177.92) 56(84) bytes of data.
64 bytes from 38.6.177.92 (38.6.177.92): icmp_seq=1 ttl=57 time=144 ms
64 bytes from 38.6.177.92 (38.6.177.92): icmp_seq=2 ttl=57 time=141 ms
64 bytes from 38.6.177.92 (38.6.177.92): icmp_seq=3 ttl=57 time=141 ms

--- qqdel.wangjianran.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 141.742/142.676/144.470/1.341 ms