PrismKitNetworkVisual Subnet CalculatorVisual Subnet CalculatorRuns in your browserLocalCopy linkMarkdownDivide and join IPv4 subnets in a clickable tree, add notes, and share or export the plan.IP Exclude CalculatorSubtract excluded ranges from allowed ones and get the fewest CIDR blocks, such as WireGuard AllowedIPs without your LAN.MAC Address ConverterConvert a MAC address between colon, dash, Cisco dot and bare formats, and get its EUI-64 and IPv6 link-local address.