IPv4 Subnet Calculator
Calculate the network address, broadcast address, usable host range and subnet mask from an IPv4 address and CIDR prefix.
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/32
Subnet details
192.168.1.0Network address
192.168.1.255Broadcast address
255.255.255.0Subnet mask
0.0.0.255Wildcard mask
192.168.1.1 – 192.168.1.254Usable host range
254Usable hosts
How to use IPv4 Subnet Calculator
- 1Enter an IPv4 address and CIDR prefix length (e.g. /24).
- 2The network address, broadcast address, usable host range, and subnet mask are calculated instantly.
Frequently asked questions
A /24 network has 256 total addresses, with 254 usable for hosts (excluding the network and broadcast addresses).
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