IPv4 Subnet Calculator

Free

IP Address / CIDR

Network Details

Network IP:
Broadcast:
Netmask:
First Host:
Last Host:
Total Hosts:

About IPv4 Subnet Calculator

Calculate Network, Broadcast, and Host ranges from CIDR.

How to use

Enter the required information in the form above.
Click the primary action button (e.g., "Generate", "Scan", or "Convert").
Wait for the process to complete (usually instant).
View your results or download the generated file.

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