Network Tools
Calculate the IPv4 broadcast address from an IP and CIDR.
Use this Broadcast Address Calculator to find the broadcast address for an IPv4 subnet from input like 192.168.1.10/24. It is useful for subnetting practice, lab work, network planning, and quick address verification.
Use this Broadcast Address Calculator to find the broadcast address for an IPv4 subnet from input like 192.168.1.10/24. It is useful for subnetting practice, lab work, network planning, and quick address verification.
Use broadcast address calculator when you need a fast browser-based result without extra setup. It works well for quick checks, one-off tasks, and routine formatting or calculation work.
Read step-by-step usage guidance, best practices, and common mistakes.
See common questions and answers about input, output, and tool usage.
Review practical input and output examples before running the tool.
Find similar and supporting tools for adjacent actions and follow-up tasks.
Input
192.168.1.10/24
Output
Network: 192.168.1.0 Broadcast: 192.168.1.255
Shows the broadcast address for a typical /24 subnet.
Input
10.0.0.5/30
Output
Network: 10.0.0.4 Broadcast: 10.0.0.7
Useful when checking very small IPv4 subnets.
Fix: Use a format like 10.0.0.5/30.
Fix: Make sure all IPv4 octets are between 0 and 255.
Fix: This tool focuses on network and broadcast results only.
It identifies the last address in a standard IPv4 subnet and is used to send traffic to all hosts in that subnet.
Use IPv4 with CIDR notation, such as 192.168.1.10/24.
No. Broadcast addresses are an IPv4 concept and this tool is for IPv4 only.
It helps validate subnet boundaries and supports subnetting practice and configuration work.
Yes, in standard IPv4 subnetting it is the last address in the subnet range.