| Example: 192.168.220.0/24 |
| Netmask IP Range Chart | ||
|---|---|---|
| Notation | Netmask | # of IP Addresses |
| /32 | 255.255.255.255 | 1 |
| /31 | 255.255.255.254 | 2 |
| /30 | 255.255.255.252 | 4 |
| /29 | 255.255.255.248 | 8 |
| /28 | 255.255.255.240 | 16 |
| /27 | 255.255.255.224 | 32 |
| /26 | 255.255.255.192 | 64 |
| /25 | 255.255.255.128 | 128 |
| /24 | 255.255.255.0 | 256 |
| /23 | 255.255.254.0 | 256*2 |
| /22 | 255.255.252.0 | 256*4 |
| /21 | 255.255.248.0 | 256*8 |
| /20 | 255.255.240.0 | 256*16 |
| /19 | 255.255.224.0 | 256*32 |
| /18 | 255.255.192.0 | 256*64 |
| /17 | 255.255.128.0 | 256*128 |
| /16 | 255.255.0.0 | 65536 |
| /15 | 255.254.0.0 | 65536*2 |
| /14 | 255.252.0.0 | 65536*4 |
| /13 | 255.248.0.0 | 65536*8 |
| /12 | 255.240.0.0 | 65536*16 |
| /11 | 255.224.0.0 | 65536*32 |
| /10 | 255.192.0.0 | 65536*64 |
| /9 | 255.128.0.0 | 65536*128 |
| /8 | 255.0.0.0 | 16777216 |
| /7 | 254.0.0.0 | 16777216*2 |
| /6 | 252.0.0.0 | 16777216*4 |
| /5 | 248.0.0.0 | 16777216*8 |
| /4 | 240.0.0.0 | 16777216*16 |
| /3 | 224.0.0.0 | 16777216*32 |
| /2 | 192.0.0.0 | 16777216*64 |
| /1 | 128.0.0.0 | 16777216*128 |
| /0 | 0.0.0.0 | 4294967295 |