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Description
Simple IP subnet calculator 📘 IP Subnet Calculator – Chrome Extension IP Subnet Calculator is a fast and easy-to-use Chrome extension designed for students, network engineers, IT professionals, and anyone learning computer networking. It instantly calculates: • Subnet mask • Network address • Broadcast address • First & last usable IP • Total and usable hosts • Wildcard mask With built-in input validation and smart warnings, it helps avoid common subnetting mistakes and explains special cases like /31 and /32 networks. 🚀 Key Features ✅ Accurate subnet calculations in one click ✅ Advanced IP & CIDR validation ✅ Reserved network warnings (loopback, multicast, etc.) ✅ Clean and lightweight popup interface ✅ Works fully offline ✅ No ads, no tracking Perfect for quick subnet checks while studying, configuring routers, firewalls, or cloud networks. 🤖 Built With ChatGPT This extension was created using ChatGPT — all core code and logic were generated with the help of ChatGPT to demonstrate the power of AI-assisted development. 🔐 Privacy This extension does not collect, store, or transmit any user data. All calculations happen locally in your browser.
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