SubnetForge

Contains adsIn-app purchases
1+
Downloads
Content rating
Everyone
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About this app

SubnetForge is a professional-grade subnetting calculator designed for network engineers, students, and IT professionals. It provides comprehensive tools for IPv4 and IPv6 address analysis, subnetting, and network planning.

Key Features:

• IPv4 Calculator: Instantly calculate network addresses, broadcast addresses, usable host ranges, and IP classes from any IP and CIDR.
• IPv6 Calculator: specialized analysis for IPv6 addresses, including prefix handling and address type detection.
• Wildcard Mask Calculator: Compute wildcard masks for ACL configurations and perform mask conversions easily.
• Data Persistence: Save and review your calculation history locally.
• Modern UI: Clean, Material Design 3 interface with full Dark/Light mode support.
• Quick Actions: Copy results to clipboard or share them with colleagues instantly.
• Offline Capable: All calculations are performed locally on your device.
Updated on
Jan 23, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
Learn more about how developers declare collection

What’s new

Improved performance