How to check IP using command
In today's digital era, IP address is one of the core elements of network communication. Whether troubleshooting network problems or performing system administration, knowing how to check IP addresses is a must-have skill. This article will introduce in detail how to use the command line to view IP addresses in different operating systems, and attach structured data for reference.
1. View IP address on Windows system
In Windows systems, you can use the command line toolcmdto view the IP address. Here are the specific steps:
| steps | command | Description |
|---|---|---|
| 1 | Open command prompt | Press Win+R, enter cmd, and press Enter |
| 2 | Enter ipconfig | View the IP configuration of all network interfaces |
| 3 | Enter ipconfig /all | View detailed network information, including MAC address |
executeipconfigAfterwards, the system will display information such as the IP address, subnet mask, and default gateway of the current network connection. If you need more detailed information you can useipconfig /allcommand.
2. Check the IP address on Linux/MacOS system
In Linux and MacOS systems, you can view the IP address through terminal commands. The following are commonly used commands:
| system | command | Description |
|---|---|---|
| Linux | ifconfig | View network interface information (need to install net-tools) |
| Linux | ip addr | Recommended commands for modern Linux systems |
| MacOS | ifconfig | View network interface information |
In most Linux distributions,ifconfigThe command may require installationnet-toolspackage. Andip addrThe command is the recommended way for modern Linux systems and can be used directly.
3. Frequently Asked Questions
The following are some common problems and solutions that users may encounter when viewing IP addresses:
| question | Solution |
|---|---|
| command does not exist | Check for spelling errors, or install necessary toolkits |
| No IP address shown | Check whether the network connection is normal, or try to restart the network service |
| Display multiple IP addresses | The system may have multiple network interfaces, confirm the interface used |
4. Advanced usage: View public IP
The above method checks the private IP address of the local network. If you need to check the public IP, you can use the following method:
| platform | Command/Method |
|---|---|
| Linux/MacOS | curl ifconfig.me |
| Windows | Visit whatismyip.com with your browser |
| Universal | nslookup myip.opendns.com resolver1.opendns.com |
These methods obtain the public IP address of the device by querying external services, and are suitable for scenarios where the external communication IP needs to be known.
5. Summary
Knowing how to view your IP address is critical to network management and troubleshooting. This article introduces the command line method of viewing IP addresses in Windows, Linux and MacOS systems, and provides structured data for quick reference. Whether you are a system administrator or a regular user, these commands can help you better understand and diagnose network problems.
Remember, private IP addresses are used for local network communications, while public IP addresses are used for Internet communications. Choose the appropriate viewing method based on your needs. If you encounter any issues, you can refer to the FAQ section of this article.
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