PING www.21yiren.com (199.187.23.111) 56(84) bytes of data.
64 bytes from 199.187.23.111 (199.187.23.111): icmp_seq=1 ttl=57 time=154 ms
64 bytes from 199.187.23.111 (199.187.23.111): icmp_seq=2 ttl=57 time=153 ms
64 bytes from 199.187.23.111 (199.187.23.111): icmp_seq=3 ttl=57 time=153 ms

--- www.21yiren.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 153.627/153.883/154.262/0.421 ms