PING yzmrw.cn (38.28.248.253) 56(84) bytes of data.
64 bytes from 38.28.248.253 (38.28.248.253): icmp_seq=1 ttl=121 time=186 ms
64 bytes from 38.28.248.253 (38.28.248.253): icmp_seq=2 ttl=121 time=188 ms
64 bytes from 38.28.248.253 (38.28.248.253): icmp_seq=3 ttl=121 time=196 ms

--- yzmrw.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 186.792/190.459/196.451/4.272 ms