IPv4 - Wikipedia
IPv4 uses 32-bit addresses which limits the address space to 4 294 967 296 (2 32) addresses. IPv4 reserves special address blocks for private networks (2 24 + 2 20 + 2 16 ≈ 18 million …
TCP/IP Packet Format - GeeksforGeeks
Jul 23, 2025 · IP (Internet Protocol) packet structure is used for data transmission in computer networks. Data units received from the layer above are encapsulated in an IP packet, and …
IP Packet Header: Format, Fields - Guru99
Jun 27, 2024 · IP Header is meta information at the beginning of an IP packet. It displays information such as the IP version, the packet’s length, the source, and the destination. IPV4 …
Understanding the IP Packet Structure: A Detailed Diagram
Learn about the structure of an IP packet with a helpful diagram. Understand the various fields and headers within an IP packet, including the source and destination addresses, protocol …
IPv4 - Packet Structure - Online Tutorials Library
Internet Protocol being a layer-3 protocol (OSI) takes data Segments from layer-4 (Transport) and divides it into packets. IP packet encapsulates data unit received from above layer and add to …
IPv4 Packet Header - NetworkLessons.com
An IPv4 packet header is a 20-byte structure containing source/destination addresses, TTL, protocol type, and routing information
IPv4 Header Structure and Fields Explained
Jul 22, 2025 · There are two versions of the IP protocol: IPv4 and IPv6. Both versions use different IP headers for data packets. In this tutorial, we will discuss the IPv4 header in detail. …