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IPv4
Free IP Subnet Calculator
ToolifyCode’s IP Subnet Calculator helps you compute subnet mask, CIDR prefix, network address, broadcast address, wildcard mask, usable host range, and usable hosts for IPv4 networks. Supported formats: 192.168.1.10/24 or 192.168.1.10 255.255.255.0.
How to use
- Enter IP/CIDR (example: 10.5.7.9/16)
- Or enter IP MASK (example: 10.5.7.9 255.255.0.0)
- Press Enter or click Calculate
Related tools: IP Range Calculator, CIDR Calculator