netlupaNetworking guides
The concepts behind the tools, explained step by step with examples. For studying or for understanding your own network.
What is CIDRThe /24 notation, how to work out a network's size and what it is for.IP address classesClasses A, B, C, D and E, their ranges and why they are rarely used today.IPv4 vs IPv6The differences between the two IP versions and how they coexist today.Public vs private IPThe difference between your router's IP and your devices' IPs.