IP Broadcast
Free IP Broadcast calculator with clear step-by-step results.
About IP Broadcast
Finds the broadcast address for an IP within a prefix.
Formula
Formula
Broadcast = network OR host-mask
Worked example
With the default values below, IP Broadcast returns Broadcast Address of 192.168.1.255. Change any input above and every figure here is recalculated in your browser.
Inputs used
- IP address
- 192.168.1.37
- Prefixaccepts 0–32
- 24
Results
- Broadcast Address
- 192.168.1.255
- Network Address
- 192.168.1.0
- Last Usable Host
- 192.168.1.254
Step by step
- 1Values used
- 2Formula
- 3Broadcast Address= 192.168.1.255
- 4Network Address= 192.168.1.0
- 5Last Usable Host= 192.168.1.254
Assumptions and limits
- The result is derived only from the 2 inputs listed above. Anything not among them is not part of the calculation.
- In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.
Frequently Asked Questions
How does this calculator work?
Finds the broadcast address for an IP within a prefix.
Why does this matter?
Useful for scoping subnets and multicast.