IP Address Classes
The following table displays the three main IP address classes, along with their decimal address ranges, number of networks per class, and the number of available hosts in each class.
| Class | Address Range | Number of Networks | Number of Hosts |
|---|---|---|---|
| A | 1.0.0.0 to 126.0.0.0 | 128 | 16,777,214 |
| B | 128.0.0.0 to 191.255.0.0 | 16,386 | 65,532 |
| C | 192.0.0.0 to 223.255.255.0 | ~2 million | 254 |
| D | 224.0.0.0 to 239.255.255.254 | Reserved for multicast | - |
| E | 240.0.0.0 to 254.255.255.255 | Reserved for research | - |
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