PING 51.zzlirui.com (211.149.245.51) 56(84) bytes of data.
64 bytes from 211.149.245.51 (211.149.245.51): icmp_seq=1 ttl=118 time=287 ms
64 bytes from 211.149.245.51 (211.149.245.51): icmp_seq=2 ttl=118 time=285 ms
64 bytes from 211.149.245.51 (211.149.245.51): icmp_seq=3 ttl=118 time=285 ms

--- 51.zzlirui.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 285.197/286.049/287.557/1.069 ms