1920.221.229 Subneting 1

/20 :&nbsp; 11111111 . 11111111 . 11110000 . 00000000<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 255&nbsp; &nbsp; &nbsp; .&nbsp; &nbsp; &nbsp;255&nbsp; &nbsp; &nbsp; .&nbsp; &nbsp; &nbsp; 240&nbsp; &nbsp; &nbsp;.&nbsp; &nbsp; &nbsp; &nbsp;0&nbsp; &nbsp; &nbsp; &nbsp; /20<br />
<br />
11111111&nbsp; = 255<br />
11111111&nbsp; = 255<br />
11110000 = 240<br />
00000000 = 0<br />
<br />
<br />