- by x32x01 ||
IP subnetting is a fundamental skill for network administrators and engineers. It involves dividing an IP address space into smaller, manageable segments called subnets. Each subnet has its own range of IP addresses, allowing efficient allocation and routing. A subnet mask determines the size of the subnet and identifies the network and host portions of an IP address. Whether you’re configuring routers, troubleshooting connectivity issues, or designing networks, having a concise cheat-sheet with subnetting rules and formulas is invaluable
