64 bytes from 221.228.255.2: icmp_req=294 ttl=51 time=43.6 ms
64 bytes from 221.228.255.2: icmp_req=295 ttl=51 time=43.5 ms
64 bytes from 221.228.255.2: icmp_req=296 ttl=51 time=43.6 ms
64 bytes from 221.228.255.2: icmp_req=297 ttl=51 time=43.7 ms
64 bytes from 221.228.255.2: icmp_req=298 ttl=51 time=43.6 ms
64 bytes from 221.228.255.2: icmp_req=299 ttl=51 time=43.8 ms
64 bytes from 221.228.255.2: icmp_req=300 ttl=51 time=43.6 ms
64 bytes from 221.228.255.2: icmp_req=301 ttl=51 time=46.7 ms
64 bytes from 221.228.255.2: icmp_req=302 ttl=51 time=45.6 ms
64 bytes from 221.228.255.2: icmp_req=303 ttl=51 time=47.3 ms
64 bytes from 221.228.255.2: icmp_req=304 ttl=51 time=58.0 ms
64 bytes from 221.228.255.2: icmp_req=305 ttl=51 time=43.7 ms
64 bytes from 221.228.255.2: icmp_req=306 ttl=51 time=51.0 ms
64 bytes from 221.228.255.2: icmp_req=307 ttl=51 time=43.6 ms
^C
--- 221.228.255.2 ping statistics ---
307 packets transmitted, 307 received, 0% packet loss, time 306229ms