255.255.224.0

What a great subnet mask! Do you know how many addresses are available in this subnet? What about the Classless Inter-Domain Routing (CIDR) notation? And what is .224 in binary? Stay cool and get your cheat sheet today!

THIS IPv4 Cheat Sheet Illustrates:

• Which subnet mask provides how many IP addresses
• Conversion of subnet mask values to CIDR
• Decimal to binary conversion and vice versa
• The different IP address classes
• Overview of reserved IP ranges
• IP address parts that are available for examination