PING ymrc2.ikuaimi.com (43.133.59.253) 56(84) bytes of data.
64 bytes from 43.133.59.253 (43.133.59.253): icmp_seq=1 ttl=121 time=163 ms
64 bytes from 43.133.59.253 (43.133.59.253): icmp_seq=2 ttl=121 time=161 ms
64 bytes from 43.133.59.253 (43.133.59.253): icmp_seq=3 ttl=121 time=161 ms

--- ymrc2.ikuaimi.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 161.456/162.261/163.849/1.215 ms