| slash | subnet | slash | subnet | slash | subnet |
| /8 | 255.0.0.0 | /16 | 255.255.0.0 | /24 | 255.255.255.0 |
| /9 | 255.128.0.0 | /17 | 255.255.128.0 | /25 | 255.255.255.128 |
| /10 | 255.192.0.0 | /18 | 255.255.192.0 | /26 | 255.255.255.192 |
| /11 | 255.224.0.0 | /19 | 255.255.224.0 | /27 | 255.255.255.224 |
| /12 | 255.240.0.0 | /20 | 255.255.240.0 | /28 | 255.255.255.240 |
| /13 | 255.248.0.0 | /21 | 255.255.248.0 | /29 | 255.255.255.248 |
| /14 | 255.252.0.0 | /22 | 255.255.252.0 | /30 | 255.255.255.252 |
| /15 | 255.254.0.0 | /23 | 255.255.254.0 | /31 | 255.255.255.254 |