Subnet Splitter & Merger
Split, merge, or check overlaps for IPv4 and IPv6 CIDR ranges
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Quick Examples
About This Tool
Split a larger IPv4 or IPv6 subnet into smaller, equal-sized subnets. Useful for network planning and IP address management. Supports both address families with automatic detection.
100% Client-Side Analysis
This tool runs 100% in your browser. No data is sent to any server.