Every device connected to the network has a unique IP address, similar to a home address, used to identify and establish connections. An IP address consists of four numbers separated by dots that can be used to identify networks, subnets, and devices and to route network traffic, provide network security, and track and locate devices.
IP Address: Your Internet ID
The IP address (Internet Protocol Address) is assigned to the connection A unique numerical identifier for each device on a computer network. Just like your home address, it allows you to be identified and connected online.
Where to check the IP address:
Windows:
- Open Command Prompt (cmd.exe)
- Enter the "ipconfig" command
- View the value of "IPv4 address"
MacOS:
- Open the terminal application
- Enter the "ifconfig" command
- View the value next to "inet"
Linux:
- Open the terminal application
- Enter the "ip a" command
- View the value next to "inet"
The IP address usually consists of four numbers , each number is separated by a period, for example: 192.168.1.1. These four numbers identify the network, subnet, and device.
Importance of IP Addresses:
- Identify and connect devices
- Route network traffic
- Provide network security
- Tracking and locating devices
The above is the detailed content of What does an IP address mean and where to check it?. For more information, please follow other related articles on the PHP Chinese website!

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