Quick reference crib sheet for daily subnetting tasks. You can use the IPv4 and IPv6 charts for IP address planning and to convert subnet masks to CIDR and wildcards.

This calculator returns a variety of information regarding Internet Protocol version 4 (IPv4) and IPv6 subnets including possible network addresses, usable host ranges, subnet mask, and IP class, …

Feb 12, 2021 · To make your life easier, the freeCodeCamp community has made this simple cheat sheet. Just scroll or use Ctrl/Cmd + f to find the value you're looking for. Here are the charts, followed …

Jul 23, 2025 · In this Subnetting Cheat Sheet, you'll learn all the basic to advanced subnetting concepts, including CIDR notation, and IPv4 subnet masks ranging from XX.XX.XX.XX/0 to XX.XX.XX.XX/32, …

Jan 13, 2025 · Click on the subnet mask chart to view the printable, searchable PDF version. Scroll down below for the CIDR subnet mask tables. Related: Common Ports Cheat Sheet. An IPv4 subnet …

This chart organizes Class A, B, and C networks and various subnets.

See also RFC 1878.

Jun 27, 2023 · Are you new to IP subnetting? This cheat sheet will help you get started with easy-to-follow instructions and helpful diagrams. Subnet confidently in no time.

Mar 18, 2025 · Master IP Subnetting with this handy cheat sheet - Simplify subnet calculations, prefix notation, and network design.

In this Subnetting Cheat Sheet Page, you will find all the possible CIDR, Subnet Mask, Wildcard Mask values for IPv4 Addresses. Beside, you will find private IP addresses, special IP addresses and …