Subnet Masks
| Hosts |
Netmask
|
Amount of a Class C
|
|
| /30 |
4
|
255.255.255.252
|
1/64
|
| /29 |
8
|
255.255.255.248
|
1/32
|
| /28 |
16
|
255.255.255.240
|
1/16
|
| /27 |
32
|
255.255.255.224
|
1/8
|
| /26 |
64
|
255.255.255.192
|
1/4
|
| /24 |
256
|
255.255.255.0
|
1
|
| /23 |
512
|
255.255.254.0
|
2
|
| /22 |
1024
|
255.255.252.0
|
4
|
| /21 |
2048
|
255.255.248.0
|
8
|
| /20 |
4096
|
255.255.240.0
|
16
|
| /19 |
8192
|
255.255.224.0
|
32
|
| /18 |
16384
|
255.255.192.0
|
64
|
| /17 |
32768
|
255.255.128.0
|
128
|
| /16 |
65536
|
255.255.0.0
|
256
|