PING hai378952520.cn.nowec.com (116.28.63.220) 56(84) bytes of data.
64 bytes from 116.28.63.220 (116.28.63.220): icmp_seq=1 ttl=117 time=260 ms
64 bytes from 116.28.63.220 (116.28.63.220): icmp_seq=2 ttl=117 time=259 ms
64 bytes from 116.28.63.220 (116.28.63.220): icmp_seq=3 ttl=117 time=259 ms

--- hai378952520.cn.nowec.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2004ms
rtt min/avg/max/mdev = 259.479/259.718/260.175/0.671 ms