PING pro-www.yylww.com (156.231.90.248) 56(84) bytes of data.
64 bytes from 156.231.90.248 (156.231.90.248): icmp_seq=1 ttl=60 time=232 ms
64 bytes from 156.231.90.248 (156.231.90.248): icmp_seq=2 ttl=60 time=231 ms
64 bytes from 156.231.90.248 (156.231.90.248): icmp_seq=3 ttl=60 time=232 ms

--- pro-www.yylww.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 231.869/231.993/232.106/0.097 ms