| IP Addresses | Abbreviated Count | Bits | Prefix | Subnet Mask |
|---|---|---|---|---|
| 1 | 1 | 0 | 32 | 255.255.255.255 |
| 2 | 2 | 1 | 31 | 255.255.255.254 |
| 4 | 4 | 2 | 30 | 255.255.255.252 |
| 8 | 8 | 3 | 29 | 255.255.255.248 |
| 16 | 16 | 4 | 28 | 255.255.255.240 |
| 32 | 32 | 5 | 27 | 255.255.255.224 |
| 64 | 64 | 6 | 26 | 255.255.255.192 |
| 128 | 128 | 7 | 25 | 255.255.255.128 |
| 256 | 256 | 8 | 24 | 255.255.255.0 |
| 512 | 512 | 9 | 23 | 255.255.254.0 |
| 1,024 | 1 K | 10 | 22 | 255.255.252.0 |
| 2,048 | 2 K | 11 | 21 | 255.255.248.0 |
| 4,096 | 4 K | 12 | 20 | 255.255.240.0 |
| 8,192 | 8 K | 13 | 19 | 255.255.224.0 |
| 16,384 | 16 K | 14 | 18 | 255.255.192.0 |
| 32,768 | 32 K | 15 | 17 | 255.255.128.0 |
| 65,536 | 64 K | 16 | 16 | 255.255.0.0 |
| 131,072 | 128 K | 17 | 15 | 255.254.0.0 |
| 262,144 | 256 K | 18 | 14 | 255.252.0.0 |
| 524,288 | 512 K | 19 | 13 | 255.248.0.0 |
| 1,048,576 | 1 M | 20 | 12 | 255.240.0.0 |
| 2,097,152 | 2 M | 21 | 11 | 255.224.0.0 |
| 4,194,304 | 4 M | 22 | 10 | 255.192.0.0 |
| 8,388,608 | 8 M | 23 | 9 | 255.128.0.0 |
| 16,777,216 | 16 M | 24 | 8 | 255.0.0.0 |
| 33,554,432 | 32 M | 25 | 7 | 254.0.0.0 |
| 67,108,864 | 64 M | 26 | 6 | 252.0.0.0 |
| 134,217,728 | 128 M | 27 | 5 | 248.0.0.0 |
| 268,435,456 | 256 M | 28 | 4 | 240.0.0.0 |
| 536,870,912 | 512 M | 29 | 3 | 224.0.0.0 |
| 1,073,741,824 | 1024 M | 30 | 2 | 192.0.0.0 |
| 2,147,483,648 | 2048 M | 31 | 1 | 128.0.0.0 |
| 4,294,967,296 | 4096 M | 32 | 0 | 0.0.0.0 |
K = 1,024
M = 1,048,576