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An IPv4 address is a unique identifier assigned to devices connected to a network that uses the Internet Protocol for communication. It is a 32-bit number, typically represented in a human-readable format as four decimal numbers separated by periods, such as 192.168.0.112. Each of these numbers, known as octets, can range from 0 to 255.
Structure of IPv4 Address
An IPv4 address consists of three main parts:
Network Part: This part identifies the specific network to which the device belongs. It helps in routing the data to the correct network.
Host Part: This part uniquely identifies the device within the network. Each device on the same network will have a different host part.
Subnet Number: This optional part is used to divide a large network into smaller sub-networks, allowing for better management and organization1.
Characteristics of IPv4
IPv4 - Wikipedia
Internet Protocol version 4 (IPv4) is the first version of the Internet Protocol (IP) as a standalone specification. It is one of the core protocols of standards-based internetworking methods in the …
What Is An IP Address? How Does It Work? - Fortinet
The Internet Protocol version 4 (IPv4) address is the older of the two, which has space for up to 4 billion IP addresses and is assigned to all computers. The more recent Internet Protocol version 6 (IPv6) has space for trillions of IP …
IP address - Wikipedia
An IP address is a numerical label assigned to a device connected to a network that uses the Internet Protocol for communication. Learn about the functions, formats, and history of IP …
What is IPv4? Everything you need to know
2025年1月2日 · IPv4 is the 4th version of the Internet protocol that defines the format and communication rules for IP addresses. Learn about IPv4 history, classification, benefits, …
What is IPv4 Address and its Role in the Network? - Study-CCNA
Learn what IPv4 address is, how it is expressed in dotted decimal format, and how it is used to identify devices in a network. Find out the difference between public and private IP addresses, …
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IPv4 - Network Encyclopedia
2023年10月17日 · IPv4 is the Internet Protocol version 4, which assigns unique identifiers to devices on a network. Learn about its history, structure, types, and how it works in this comprehensive guide.
What Is IPv4 (Internet Protocol Version 4)? - Coursera
2024年5月14日 · IPv4 is the fourth version of the internet protocol that provides the foundation for internet communication. It uses 32-bit addresses to identify devices on networks and routers to forward data packets. Learn more about …
The Complete Guide for IPv4 Addresses | Kalorama
2024年7月8日 · IPv4 addresses are used for a wide range of networking tasks and have critical roles in both local and global network communications. Here are the most common use cases: …
What Is IPv4 (Internet Protocol Version 4)?
IPv4 is the fourth version of the IP address system that identifies devices on networks. Learn how IPv4 addresses are formatted, structured, and used, and how they differ from IPv6 addresses.
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