PING ylco.cn (38.173.170.136) 56(84) bytes of data.
64 bytes from 38.173.170.136 (38.173.170.136): icmp_seq=1 ttl=122 time=154 ms
64 bytes from 38.173.170.136 (38.173.170.136): icmp_seq=2 ttl=122 time=154 ms
64 bytes from 38.173.170.136 (38.173.170.136): icmp_seq=3 ttl=122 time=153 ms

--- ylco.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 153.942/154.142/154.370/0.365 ms