Subnet Calculator
Network, broadcast and host range from CIDR
All processing happens locally in your browser. Your data is never uploaded to a server.
Network, broadcast and host range from CIDR
All processing happens locally in your browser. Your data is never uploaded to a server.
Usable hosts is total minus two: the first address names the network and the last is the broadcast address, so neither can go to a host.
| /8 | 255.0.0.0 | 16,777,214 |
|---|---|---|
| /16 | 255.255.0.0 | 65,534 |
| /20 | 255.255.240.0 | 4,094 |
| /22 | 255.255.252.0 | 1,022 |
| /24 | 255.255.255.0 | 254 |
| /25 | 255.255.255.128 | 126 |
| /26 | 255.255.255.192 | 62 |
| /27 | 255.255.255.224 | 30 |
| /28 | 255.255.255.240 | 14 |
| /29 | 255.255.255.248 | 6 |
| /30 | 255.255.255.252 | 2 |
| /31 | 255.255.255.254 | 2 |
| /32 | 255.255.255.255 | 1 |