Prefix |
Bits |
IP Addresses |
/24s |
/16s |
/8s |
Subnet Mask |
/32 |
0 |
1 |
|
|
|
255.255.255.255 |
/31 |
1 |
2 |
|
|
|
255.255.255.254 |
/30 |
2 |
4 |
|
|
|
255.255.255.252 |
/29 |
3 |
8 |
|
|
|
255.255.255.248 |
/28 |
4 |
16 |
|
|
|
255.255.255.240 |
/27 |
5 |
32 |
|
|
|
255.255.255.224 |
/26 |
6 |
64 |
|
|
|
255.255.255.192 |
/25 |
7 |
128 |
|
|
|
255.255.255.128 |
/24 |
8 |
256 |
1 |
|
|
255.255.255.0 |
/23 |
9 |
512 |
2 |
|
|
255.255.254.0 |
/22 |
10 |
1,024 |
4 |
|
|
255.255.252.0 |
/21 |
11 |
2,048 |
8 |
|
|
255.255.248.0 |
/20 |
12 |
4,096 |
16 |
|
|
255.255.240.0 |
/19 |
13 |
8,192 |
32 |
|
|
255.255.224.0 |
/18 |
14 |
16,384 |
64 |
|
|
255.255.192.0 |
/17 |
15 |
32,768 |
128 |
|
|
255.255.128.0 |
/16 |
16 |
65,536 |
256 |
1 |
|
255.255.0.0 |
/15 |
17 |
131,072 |
512 |
2 |
|
255.254.0.0 |
/14 |
18 |
262,144 |
1,024 |
4 |
|
255.252.0.0 |
/13 |
19 |
524,288 |
2,048 |
8 |
|
255.248.0.0 |
/12 |
20 |
1,048,576 |
4,096 |
16 |
|
255.240.0.0 |
/11 |
21 |
2,097,152 |
8,192 |
32 |
|
255.224.0.0 |
/10 |
22 |
4,194,304 |
16,384 |
64 |
|
255.192.0.0 |
/9 |
23 |
8,388,608 |
32,768 |
128 |
|
255.128.0.0 |
/8 |
24 |
16,777,216 |
65,536 |
256 |
1 |
255.0.0.0 |
/7 |
25 |
33,554,432 |
131,072 |
512 |
2 |
254.0.0.0 |
/6 |
26 |
67,108,864 |
262,144 |
1,024 |
4 |
252.0.0.0 |
/5 |
27 |
134,217,728 |
524,288 |
2,048 |
8 |
248.0.0.0 |
/4 |
28 |
268,435,456 |
1,048,576 |
4,096 |
16 |
240.0.0.0 |
/3 |
29 |
536,870,912 |
2,097,152 |
8,192 |
32 |
224.0.0.0 |
/2 |
30 |
1,073,741,824 |
4,194,304 |
16,384 |
64 |
192.0.0.0 |
/1 |
31 |
2,147,483,648 |
8,388,608 |
32,768 |
128 |
128.0.0.0 |
/0 |
32 |
4,294,967,296 |
16,777,216 |
65,536 |
256 |
0.0.0.0 |