Description:Subnet Calc Pro is a professional subnet calculator and IP planning app for IT, networking, and business operations. Enter an IPv4 or IPv6 address or CIDR and get the network, usable range, broadcast, and host count in real time. Plan address space with VLSM and CIDR, split or merge subnets by required hosts, and preview conflicts before deployment. Export results to CSV or clipboard, save templates, and optionally sync across devices. It is fast, accurate, offline-capable, and easy to use, ideal for network engineers, system administrators, DevOps, and students who need reliable subnetting. Keywords: subnet calculator, IP subnetting, CIDR, IPv4, IPv6, network planning, IT tools, business utility.
How to use:1. Download and install Subnet Calc Pro from the store, then open the app.
2. On first launch, choose IPv4 or IPv6 and optionally sign in to enable cloud sync and saved presets.
3. Enter an IP address or a CIDR prefix to calculate; view network, usable range, broadcast, and host count instantly.
4. Open Subnet Planner to split or merge blocks, set target host counts, and validate overlaps before deployment.
5. Save your results, export to CSV or clipboard, and share with your team; create templates to reuse in future projects.