CIDR Calculator computes subnet details from CIDR notation (like 192.168.1.0/24) including the network address, broadcast address, subnet mask, wildcard mask, number of total addresses, usable host range, and binary representation. It supports both IPv4 and IPv6 CIDR notation and can divide a network into smaller subnets with a visual subnet partitioning table.
Cloud architects planning VPC networks, network engineers configuring routing, and DevOps engineers setting up infrastructure-as-code networking. The tool runs entirely in your browser — your data never leaves your device.
Learn more about related topics: Subnet mask, VLSM, Supernetting, Network segmentation.
CIDR Calculator is a free, browser-based developer tool on AIDToolStack. Calculate subnet mask, network range, usable hosts, and broadcast address from CIDR notation It requires no installation or sign-up and works entirely in your browser.
Yes, completely free. CIDR Calculator has no usage limits, no account requirements, and no hidden fees. Use it as often as you need.
No, all processing happens locally in your browser. Your data never leaves your device and nothing is sent to any server.
Yes, it works in any modern browser on both desktop and mobile devices. No app download required — just open the page and start using it.
AIDToolStack tools run entirely in your browser with no server processing. This means faster results, complete privacy, and zero downtime. There are no ads blocking your workflow, and everything is free with no sign-up required.
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