PING ip-www.hrc88.cn (154.90.242.138) 56(84) bytes of data.
64 bytes from 154.90.242.138 (154.90.242.138): icmp_seq=1 ttl=121 time=249 ms
64 bytes from 154.90.242.138 (154.90.242.138): icmp_seq=2 ttl=121 time=249 ms
64 bytes from 154.90.242.138 (154.90.242.138): icmp_seq=3 ttl=121 time=249 ms

--- ip-www.hrc88.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 249.426/249.526/249.640/0.417 ms