| CIDR | Subnet Mask | Hosts | Wildcard |
|---|---|---|---|
| /32 | 255.255.255.255 | 1 | 0.0.0.0 |
| /31 | 255.255.255.254 | 2 | 0.0.0.1 |
| /30 | 255.255.255.252 | 2 | 0.0.0.3 |
| /29 | 255.255.255.248 | 6 | 0.0.0.7 |
| /28 | 255.255.255.240 | 14 | 0.0.0.15 |
| /27 | 255.255.255.224 | 30 | 0.0.0.31 |
| /26 | 255.255.255.192 | 62 | 0.0.0.63 |
| /25 | 255.255.255.128 | 126 | 0.0.0.127 |
| /24 | 255.255.255.0 | 254 | 0.0.0.255 |
| /23 | 255.255.254.0 | 510 | 0.0.1.255 |
| /22 | 255.255.252.0 | 1,022 | 0.0.3.255 |
| /21 | 255.255.248.0 | 2,046 | 0.0.7.255 |
| /20 | 255.255.240.0 | 4,094 | 0.0.15.255 |
| /16 | 255.255.0.0 | 65,534 | 0.0.255.255 |
| /8 | 255.0.0.0 | 16,777,214 | 0.255.255.255 |