C
1
2
3
4
5
6
7
8
I
9
10
11
12
13
14
15
16
D
17
18
19
20
21
22
23
24
R
25
26
27
28
29
30
31
32
Mask
128
192
224
240
248
252
254
255
Inverse Mask
127
63
31
15
7
3
1
0
Hosts
126
62
30
14
6
2
0
n/a
Bit Value
128
64
32
16
8
4
2
1
Enter a decimal number to convert to binary numbers.
Enter a number between 0 and 255
128
64
32
16
8
4
2
1