Toolkits & Build Sheets - ReadTheManual

IP subnet calculator interface showing network class selection, subnet mask input, and real-time calculation results

Free IP Subnet Calculator: CIDR, Subnet Masks & Network Planning

Free Resources, Internet & Networking, Toolkits & Build Sheets / ReadTheManualTech

Calculate subnet masks, CIDR notation, wildcard masks, and host ranges in seconds. Built for network engineers, system administrators, and anyone configuring IP networks. From the field: I built this because I got tired of doing subnet maths in my head during planning sessions. Whether I am designing an Azure VNet or segmenting my homelab, having […]

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PiCluster – Build Shopping List

Below is the shopping / build sheet for the Raspberry Pi Cluster project From the homelab: I built a Pi cluster for running lightweight services — monitoring, DNS, and a K3s Kubernetes playground. Here is the exact shopping list I used, with notes on what is worth spending on and where to save. Some variables