| bit | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | ||
| value | 128 | 64 | 32 | 16 | 8 | 4 | 2 | u | ||
| /mask | /24 | /25 | /26 | /27 | /28 | /29 | /30 | /31 | /32 | |
| hosts | 254 | 126 | 62 | 30 | 14 | 6 | 2 | |||
| mask | 128 | 192 | 224 | 240 | 248 | 252 | 254 | 255 |
| bit | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | ||
| value | 128 | 64 | 32 | 16 | 8 | 4 | 2 | u | ||
| /mask | /24 | /25 | /26 | /27 | /28 | /29 | /30 | /31 | /32 | |
| hosts | 254 | 126 | 62 | 30 | 14 | 6 | 2 | |||
| mask | 128 | 192 | 224 | 240 | 248 | 252 | 254 | 255 |