Regular expression (regex) help: Need to delete everything on several lines after an IP address : <p>I have several lines that are</p>

<p>192.168.86.3     0x1  0x2 3cbbaxrad  * br-lan
    192.168.86.213   0x1  0x2 3cccfargarad  * br-lan
    192.168.86.51    0x1  0x2 3cccfcvrad  * br-lan
    192.168.86.11    0x1  0x2 3cccfxxrad  * br-lan</p>

<p>I need to extract only the ip addresses so it's
192.168.86.3
192.168.86.213
192.168.86.51
192.168.86.11</p>

<p>Can anyone help? Thanks</p>
