Subnet calculator
The following address ranges are
reserved for private networks.
10.0.0.0/8
172.16.0.0/12
192.168.0.0/16
- Input network
- Address in binary
- Reserved range. Network range. Host range.
- Netmask in binary IP
- Netmask in decimal IP
- Total number of networks
- Total number of hosts per network
- Note: The first and last host address are reserved for network and broadcast, so in practice the actual number is 2 less than what is shown here.
- Example networks