In the IPv4 IP address space, there are five classes: A, B, C, D and E. Each class has a specific range of IP addresses (and ultimately dictates the number of devices you can have on your network).

Jan 3, 2026 · This tutorial explains IP address classes in detail through examples. Learn how IP addresses are organized in IP classes and how to identify the class of an IP address.

Dec 26, 2025 · Classful IP addressing was an early method (1981–1993) used to assign IP addresses and divide the IPv4 address space into fixed classes. Each IP address was categorized based on its …

Historically, IPv4 address space was divided using a classful addressing scheme to simplify routing and address allocation. This divided the 32-bit IPv4 addresses into five classes—A, B, C, D, and E—each …

Aug 13, 2025 · IP Address Classes defines five separate classes based on four address bits: Class A, Class B, Class C, Class D, and Class E. Let’s see each of the IP Address Classes in detail through …

Internet Protocol hierarchy contains several classes of IP Addresses to be used efficiently in various situations as per the requirement of hosts per network. Broadly, the IPv4 Addressing system is …

Nov 15, 2024 · The IPv4 addressing system (still widely used) organizes IP addresses into five classes: Class A, B, C, D, and E. These classes were designed to meet the needs of different types of …

2 days ago · There are five main IPv4 address classes: A, B, C, D, and E. Class A, B, and C are used for public and private networks. Class D is reserved for multicast communication. Class E is reserved …

IP addressing is a method used to uniquely identify devices on a network. An IP address allows devices such as computers, servers, routers, and mobile devices to communicate with each other over a …

TCP/IP defines five classes of IP addresses: class A, B, C, D, and E. Each class has a range of valid IP addresses. The value of the first octet determines the class. IP addresses from the first three classes …