Subnet calculator
Enter an IPv4 address with a prefix (e.g. 192.168.1.10/24) to get the network, broadcast, usable host range and masks.
- Network
- 192.168.1.0
- Broadcast
- 192.168.1.255
- Netmask
- 255.255.255.0
- Wildcard
- 0.0.0.255
- First host
- 192.168.1.1
- Last host
- 192.168.1.254
- Usable hosts
- 254
- Total addresses
- 256