Subnet Slice

Subnet Slice is a focused local utility for planning IPv4 CIDR ranges, host counts, masks, and usable address windows. Open the app, adjust the visible inputs, compare the result, and use Share to export a plain text summary. Settings includes an in-app language picker for English, Japanese, Chinese, Spanish, French, German, and Portuguese. The app works on device. It does not require an account and does not include analytics, tracking, advertising SDKs, subscriptions, cloud sync, social features, or server upload.