Projects
Small IT tools and guides I design and build. The tools run in your browser; nothing you type leaves your device.
3 of 3 live
- Web toolLive
Subnet calculator
Network, broadcast, usable range, masks and address type for any IPv4 address. Drag the boundary between network and host bits and watch it all change.
- Web toolLive
Subnet Sketch
Plan subnets from device counts. Each group gets the smallest subnet that fits, largest first, drawn across the address range.
- GuidesLive
Guides
Step-by-step IT guides with worked examples: networking first, servers and virtualization next. First up: how to subnet an IPv4 network.