PING www.com--www.jisiwang.com (211.149.131.207) 56(84) bytes of data.
64 bytes from 211.149.131.207: icmp_seq=1 ttl=52 time=282 ms
64 bytes from 211.149.131.207: icmp_seq=2 ttl=52 time=281 ms
64 bytes from 211.149.131.207: icmp_seq=3 ttl=52 time=282 ms

--- www.com--www.jisiwang.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 7258ms
rtt min/avg/max/mdev = 281.888/282.544/282.989/0.642 ms