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=291 ms
64 bytes from 211.149.245.51 (211.149.245.51): icmp_seq=2 ttl=118 time=289 ms
64 bytes from 211.149.245.51 (211.149.245.51): icmp_seq=3 ttl=118 time=293 ms

--- 51.zzlirui.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2358ms
rtt min/avg/max/mdev = 289.596/291.333/293.008/1.461 ms