Subnet Calculator +
Intuitive subnet calculator for professionals and students.
Steven Eppler
iPhone Screenshots
Description
The app calculates IPv4 and IPv6 subnets with live CIDR and prefix sliders. It splits networks, detects device IP, and allows navigation between adjacent subnets.
SubnetCalc is a fast, intuitive subnet calculator for networking professionals and students.
Features:
- IPv4 subnet calculator with live CIDR slider (1-30)
- Subnet Splitter for equal-split and VLSM subdivision
- IPv6 calculator with prefix slider (1-128)
- Auto-detect your device's IP and subnet from Wi-Fi
- Navigate between adjacent subnets
- Share or copy results instantly
- Native Mac support via Mac Catalyst
Enter any IP address, adjust the CIDR prefix with the slider, and instantly see:
- Subnet mask
- Network address
- Broadcast address
- Usable host range
- Maximum hosts
- Wildcard mask
The Subnet Splitter lets you divide a network into equal subnets or use VLSM to allocate subnets by host count. Perfect for network planning and design.
No ads. No tracking. No subscription.