Enter any IPv4 address with a CIDR prefix or subnet mask to instantly get the network address, broadcast address, usable host range, wildcard mask, binary/hex breakdown, and classification. Includes a VLSM planner, subnet list generator, and reverse calculators for required hosts or subnets.
Free IP subnet calculator — instantly calculate network address, broadcast address, usable host range, wildcard mask, binary/hex, and CIDR notation. Includes VLSM planner, subnet list generator, and reverse calculators for required hosts or subnets. 100% client-side.
| ⚡ Instant | Runs in your browser — no install, no signup |
| 🔒 Private | Processing stays on your device whenever possible |
| 💸 Free forever | No paywalls, no ads cluttering the experience |
| 📱 Works everywhere | Desktop, tablet, and mobile friendly |
- ✅ Free IP Subnet Calculator — no signup required
- ✅ Runs fast in your browser on desktop and mobile
- ✅ Private by design — built for everyday use on ToolAdda
- ✅ Part of ToolAdda's Utility Tools collection
- ✅ Modern, clean interface with no clutter
| Link | URL |
|---|---|
| Use IP Subnet Calculator | https://tooladda.online/ip-subnet-calculator.html |
| All ToolAdda tools | https://tooladda.online |
| This repo | https://github.com/tooladda-online/ip-subnet-calculator |
IP Subnet Calculator is part of ToolAdda.online — a growing collection of fast, modern, SEO-friendly online utilities.
Whether you found this page on GitHub or through a search engine, the live tool is always available at:
https://tooladda.online/ip-subnet-calculator.html
Category: Utility Tools
Is IP Subnet Calculator free on ToolAdda?
Yes. IP Subnet Calculator is 100% free to use on ToolAdda with no account required.
Do I need to install anything?
No. Open the tool in your browser and start using it instantly.
Where is the live IP Subnet Calculator?
Visit tooladda.online — search for IP Subnet Calculator or use the link in this repository README.
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Made with ❤️ by ToolAdda.online · GitHub Organization