Effective Ways to Find the IP Address Using a MAC Address

Have you ever wondered how to find the IP address associated with a MAC address? In this step-by-step guide, we will show you exactly how to do it.

MAC addresses are unique identifiers assigned to network interfaces, such as Ethernet or Wi-Fi adapters. They consist of six pairs of hexadecimal numbers, separated by colons or hyphens. Unlike IP addresses, MAC addresses are assigned by the manufacturer and cannot be changed.

So, why would you need to find the IP address using a MAC address? Well, there are several reasons. For example, if you are troubleshooting network connectivity issues, discovering the IP address associated with a specific MAC address can help you identify the device causing the problem.

Why Finding IP with MAC Address is Important

Being able to find the IP address associated with a MAC address is important for several reasons.

Firstly, IP addresses are crucial for communication on the internet. Every device that is connected to a network, whether it is a local network or the internet, needs to have a unique IP address. This address allows devices to send and receive data, enabling communication between them. Without an IP address, devices would not be able to connect and communicate with each other.

The MAC address, on the other hand, is a unique identifier assigned to network interfaces. Unlike IP addresses, which can change or be reassigned, MAC addresses are permanent and cannot be modified. This makes MAC addresses useful for identifying devices on a network, even if their IP address changes.

By finding the IP address associated with a MAC address, you can track and manage devices on a network more effectively. This can be particularly useful in troubleshooting network issues or identifying unauthorized devices on a network.

Using tools or techniques to find the IP address with a MAC address allows network administrators to have a complete overview of their network. They can easily locate and monitor specific devices, check their connectivity, and troubleshoot any problems that may arise.

Benefits of Finding IP with MAC Address

Finding the IP address with a MAC address can have several benefits:

1. Enhanced network security: By being able to associate MAC addresses with IP addresses, network administrators can identify and block unauthorized devices from accessing the network.
2. Improved troubleshooting: When network issues arise, finding the IP address associated with a MAC address can help pinpoint the specific device or connection that is causing the problem, making troubleshooting faster and more efficient.
3. Streamlined device management: By having a comprehensive list of MAC addresses and their corresponding IP addresses, network administrators can easily keep track of devices on the network, assign specific IP addresses, and manage network resources more effectively.

Using a Table to Find IP with MAC Address

One useful way to organize and display the information of MAC addresses and their corresponding IP addresses is by using a table. Here is an example of how such a table could look:

This table clearly shows the MAC addresses and their corresponding IP addresses, making it easy to locate and manage devices on the network.

Step 1: Understanding the Basics of MAC Address

A Media Access Control (MAC) address is a unique identifier assigned to a network interface controller (NIC) by the manufacturer. It is a 48-bit address composed of 12 hexadecimal characters, typically separated by colons or hyphens.

The MAC address serves as a means to identify a device on a local network. Unlike an IP address, which can change or be assigned dynamically, the MAC address remains constant throughout the device's lifetime.

Every device connected to the internet or a local network has a MAC address. This includes computers, smartphones, printers, routers, and other networking devices.

To find the IP address associated with a specific MAC address, you need to understand the relationship between the two. The IP address is assigned to a device by the Dynamic Host Configuration Protocol (DHCP) server, while the MAC address is used by the server to uniquely identify the device requesting an IP address.

In simpler terms, the MAC address acts as a "physical address" for a device, while the IP address serves as its "logical address." The IP address allows devices to communicate with each other over a network, while the MAC address ensures that the data is sent to the intended recipient.

Knowing the basics of MAC address is crucial when trying to find the IP address associated with it. By understanding the relationship between these two components, you can effectively locate a device's IP address using its MAC address.

What is a MAC Address?

A MAC address, or Media Access Control address, is a unique identifier assigned to a network interface card (NIC) by the manufacturer. It is a 48-bit address and is used to identify devices on a local area network (LAN).

The MAC address is made up of six pairs of hexadecimal characters, separated by colons or dashes. Each pair represents a specific value, such as the manufacturer code and the unique serial number. For example, a MAC address may look like this: 10:FC:3A:7B:84:9D.

The MAC address operates at the data link layer of the OSI model and is used to ensure that data is sent to the correct destination on a LAN. It is different from an IP address, which is used for identifying devices on a wider network, such as the internet.

To find the MAC address of a device, you can look at the settings or network information on the device itself. The MAC address is usually printed on a label on the device or its packaging. Alternatively, you can also use command line tools or network scanning software to retrieve the MAC address of devices connected to your network.

How is a MAC Address Formed?

A MAC (Media Access Control) address is a unique identifier assigned to network devices, such as computers, smartphones, and routers. It is used to identify devices on a local area network (LAN) and is different from an IP (Internet Protocol) address, which is used to identify devices on the internet.

A MAC address is a 48-bit hexadecimal number, typically represented in six groups of two characters, separated by colons or hyphens. For example, a MAC address may look like this: 00:1A:2B:3C:4D:5E.

The first half of the MAC address is the OUI (Organizationally Unique Identifier), which is assigned by the IEEE (Institute of Electrical and Electronics Engineers) to hardware manufacturers. The second half of the MAC address is unique to each device and is assigned by the manufacturer.

MAC addresses are burned into the network device's network interface card (NIC) during the manufacturing process and cannot be changed or modified by the user. This ensures that each device has a unique identifier that can be used for network communication.

When you want to find the IP address associated with a MAC address, you can use various network tools and commands to query your network, such as the ARP (Address Resolution Protocol) command or network management software. These tools use the MAC address to locate the corresponding IP address on the local network.

Step 2: Locating the MAC Address on Different Devices

In order to find the IP address from a MAC address, you first need to know where to locate the MAC address on the specific device you are using. Here, we will guide you on how to find the MAC address on different devices:

Windows Devices

To locate the MAC address on a Windows device, follow these steps:

1. Click on the "Start" button and select "Settings".
2. In the Settings menu, click on "Network & Internet".
3. Under the "Status" section, click on "View your network properties".
4. Scroll down and look for the "Physical address" or "MAC address" label. The MAC address will be listed next to it.

Mac Devices

If you are using a Mac device, you can find the MAC address by following these steps:

1. Click on the Apple menu and select "System Preferences".
2. In the System Preferences menu, click on "Network".
3. Select the network connection you are using (e.g., Wi-Fi or Ethernet) from the left sidebar.
4. Click on the "Advanced" button at the bottom right.
5. In the Advanced menu, go to the "Hardware" or "Ethernet" tab.
6. You will find the MAC address listed next to "MAC Address" or "Ethernet ID".

Mobile Devices

On mobile devices, the process of finding the MAC address may vary based on the operating system:

Android:

1. Open the "Settings" app.
2. Scroll down and tap on "About phone" or "About device".
3. Tap on "Status" or "System".
4. Scroll down and look for the "Wi-Fi MAC address" or "Ethernet MAC address".

iOS:

1. Open the "Settings" app.
2. Tap on "General" and then "About".
3. Scroll down and look for the "Wi-Fi Address" or "Ethernet Address".

By following these steps, you will be able to easily locate the MAC address on different devices, which is an essential step in finding the IP address associated with it.

Locating MAC Address on Windows Computers

If you want to find the MAC address of your Windows computer, you can follow these simple steps:

1. Using Command Prompt

   To find the MAC address using Command Prompt, follow these steps:

   • Press the Windows key + R to open the Run dialog box.
   • Type cmd and press Enter to open the Command Prompt.
   • In the Command Prompt window, type ipconfig /all and press Enter.
   • Scroll down and locate the network adapter you want to find the MAC address for.
   • The MAC address will be listed next to the "Physical Address" field.

2. Using Network Connections

   If you prefer a graphical interface, you can find the MAC address using the Network Connections window:

   • Press the Windows key + R to open the Run dialog box.
   • Type ncpa.cpl and press Enter to open the Network Connections window.
   • Right-click on the network adapter you want to find the MAC address for.
   • Select "Status" and then click on the "Details" button.
   • The MAC address will be listed next to the "Physical Address" field.

By following these steps, you can easily find the MAC address of your Windows computer and use it to locate the corresponding IP address.

Locating MAC Address on Mac Computers

If you want to find the MAC address on a Mac computer, you can follow these steps:

Step 1: Open System Preferences

Click on the Apple logo located at the top left corner of the screen and select "System Preferences" from the drop-down menu.

Step 2: Select Network

In the System Preferences window, choose the "Network" icon.

Step 3: Find the MAC Address

In the Network window, select the network connection you want to find the MAC address for from the list on the left side.

Once you have selected the network connection, click on the "Advanced" button located at the bottom right corner of the window.

A new window will appear. In this window, click on the "Hardware" tab. Under the "Hardware" tab, you will see the MAC address listed as the "Ethernet ID" or "Wi-Fi Address".

Note down the MAC address for future reference.

This is how you can easily find the MAC address on a Mac computer. Knowing the MAC address can be helpful in various situations, such as when you need to find the IP address associated with the MAC address.

Locating MAC Address on Android Devices

If you want to find the MAC address on an Android device, here is how you can do it:

1. Go to the "Settings" app on your Android device.

2. Scroll down and tap on "About Phone" or "About Device".

3. Look for the "Status" or "Device Information" option.

4. Tap on "Wi-Fi MAC address" or "Ethernet MAC address".

5. You will now see the MAC address of your Android device displayed on the screen.

By following these steps, you can easily find the MAC address on your Android device. It is important to note that the exact steps may vary slightly depending on your device's manufacturer and Android version.

Locating MAC Address on iOS Devices

Knowing the MAC address of your iOS device can come in handy in various situations, such as configuring network settings or troubleshooting network connectivity issues. Here's how you can find the MAC address on your iOS device:

Step 1: Go to the home screen of your device and tap on the "Settings" app.

Step 2: In the settings menu, scroll down and tap on "General".

Step 3: Now, scroll down and tap on "About".

Step 4: In the About menu, look for the "Wi-Fi Address" entry.

Step 5: The value shown next to the "Wi-Fi Address" is your device's MAC address. It is a unique identifier consisting of six two-digit hexadecimal numbers separated by colons.

Note: The MAC address displayed here is for the Wi-Fi interface of your iOS device. If you want to find the MAC address for other interfaces, such as Bluetooth, you may need to refer to other sections of the settings menu or consult the device's documentation.

Now that you know how to find the MAC address on your iOS device, you can use it to perform various tasks, such as configuring MAC address filtering on your router or troubleshooting network issues with your service provider.

Step 3: Using Command Prompt or Terminal to Find IP

Once you have the MAC address of the device you want to find the IP address for, you can use the Command Prompt or Terminal (depending on your operating system) to easily retrieve the IP address associated with that MAC address.

Using Windows Command Prompt

If you are using a Windows operating system, follow these steps:

1. Open the Command Prompt by pressing the Windows key and typing "Command Prompt" or by searching for it in the Start Menu.
2. Once the Command Prompt is open, type the following command: arp -a
3. Press Enter to execute the command.
4. A table will appear, displaying the IP addresses and corresponding MAC addresses of the devices connected to your network. Look for the MAC address you want to find the IP address for.
5. The IP address associated with the MAC address will be listed in the same row as the MAC address.

Using macOS or Linux Terminal

If you are using a macOS or Linux operating system, follow these steps:

1. Open the Terminal application by navigating to Applications > Utilities > Terminal (macOS) or by searching for "Terminal" in the Applications menu (Linux).
2. Once the Terminal is open, type the following command: arp -a
3. Press Enter to execute the command.
4. A table will appear, displaying the IP addresses and corresponding MAC addresses of the devices connected to your network. Look for the MAC address you want to find the IP address for.
5. The IP address associated with the MAC address will be listed in the same row as the MAC address.

Using the Command Prompt or Terminal is a quick and efficient way to find the IP address associated with a specific MAC address on your network. It allows you to easily identify and locate devices on the network using their MAC addresses.

Note: The method described in this step assumes that the device whose IP address you want to find is currently connected to your network.

Using Command Prompt on Windows

To find the IP address with a MAC address on Windows, you can use the Command Prompt. Here is how:

1. Open the Command Prompt by pressing the Windows key and the "R" key on your keyboard at the same time. This will open the Run dialog box.
2. Type "cmd" into the Run dialog box and press Enter. This will open the Command Prompt.
3. In the Command Prompt window, type "arp -a" and press Enter. This command will display the IP address and the corresponding MAC address for all devices connected to your network.
4. Look for the MAC address you want to find the IP address for. The IP address will be listed next to it under the "Internet Address" column.
5. Make a note of the IP address for future reference.

Using the Command Prompt on Windows is a straightforward way to find the IP address associated with a specific MAC address on your network.

Using Terminal on Mac

To find the IP address associated with a MAC address on your Mac, you can use the Terminal application. Terminal is a command-line interface that allows you to interact with your computer using text-based commands.

Here is how you can use Terminal to find an IP address with a MAC address:

1. Open the Terminal application on your Mac. You can do this by searching for "Terminal" in Spotlight or by navigating to Applications > Utilities > Terminal.
2. In the Terminal window, type the following command:

   arp -a | grep [MAC address]

   Replace [MAC address] with the MAC address you want to find the IP address for.
3. Press Enter to run the command. Terminal will display the IP address associated with the specified MAC address.

Using Terminal on your Mac is a quick and efficient way to find the IP address associated with a specific MAC address. It allows you to easily view this information without the need for a graphical user interface.

Step 4: Using Third-Party Tools to Find IP with MAC Address

If you're not comfortable using command line tools or network utilities, there are several third-party tools available that can help you find an IP address with a MAC address. These tools typically provide a user-friendly interface and simplify the process of finding the IP address associated with a specific MAC address.

One popular tool for finding an IP address with a MAC address is Advanced IP Scanner. This tool allows you to scan your network and identify all connected devices, including their IP addresses and MAC addresses. Simply enter the MAC address you want to search for, and Advanced IP Scanner will provide you with the corresponding IP address.

Another option is Angry IP Scanner, which is a lightweight and easy-to-use tool for scanning IP addresses and MAC addresses. It allows you to search by MAC address and provides detailed information about the corresponding IP address, including the device's hostname and manufacturer.

If you're looking for more advanced features, you can also consider using network monitoring tools like SolarWinds IP Address Manager or ManageEngine OpUtils. These tools offer comprehensive network scanning and management capabilities, including the ability to search for IP addresses based on MAC addresses.

Regardless of the tool you choose, using third-party tools can save you time and effort when it comes to finding an IP address with a MAC address. They provide a simplified and user-friendly interface, making the process much easier for those who are not familiar with command line utilities.

Online MAC Address Lookup Tools

When you need to find the IP address associated with a MAC address, it can be quite a challenge. However, with the use of online MAC address lookup tools, this task becomes much easier.

These tools provide a convenient way to search for the IP address associated with a specific MAC address. By simply entering the MAC address into the tool, you can quickly retrieve the corresponding IP address.

Using an online MAC address lookup tool is simple and straightforward. Here is how you can find the IP address with a MAC address:

By following these simple steps, you can quickly and easily find the IP address associated with a MAC address using online MAC address lookup tools. These tools are invaluable for troubleshooting network issues or verifying device connections on your network.

Next time you need to find an IP address with a MAC address, remember to use these helpful online tools for a seamless and efficient search process.

Using Network Scanners

If you need to find the IP address associated with a MAC address, one effective method is to use network scanners. Network scanners are tools that can help you discover devices connected to a network, along with their IP and MAC addresses.

Here's how you can use a network scanner to find the IP address associated with a MAC address:

1. Install a network scanning tool on your computer. There are several popular options available, such as Advanced IP Scanner, Angry IP Scanner, and Nmap.
2. Launch the network scanning tool and allow it to scan your local network. The tool will send out requests to all devices connected to the network and retrieve their IP and MAC addresses.
3. Look for the MAC address of the device you are interested in within the network scan results. The MAC address is usually displayed alongside the corresponding IP address.
4. Note down the IP address associated with the MAC address you found. This is the IP address you were searching for.

Using network scanners is a convenient and efficient way to find the IP address with a MAC address. It saves you the hassle of manually checking each device's settings or configurations individually.

Remember to only use network scanning tools on networks that you have permission to access, as scanning networks without authorization is considered unethical and may be illegal.

Step 5: Troubleshooting and Common Issues

When trying to find the IP address associated with a MAC address, there are a few common issues that you may encounter. Here are some troubleshooting steps to help you overcome them:

1. Incorrect MAC Address

One common issue is entering an incorrect MAC address. Make sure that you have copied the MAC address correctly and double-check for any typos. The MAC address should be in the following format: XX:XX:XX:XX:XX:XX.

2. No Response from DHCP Server

If you are not getting any response from the DHCP server, it may be due to network configuration or firewall settings. Make sure that the DHCP server is running and reachable. Check if any firewall rules are blocking the communication between your device and the DHCP server.

3. MAC Address Not in DHCP Lease Table

If the MAC address you are trying to find the IP address for is not showing up in the DHCP lease table, it could mean that the device is not connected to the network or that it is using a static IP address. In this case, you may need to manually assign an IP address to the device or check its network settings.

By following these troubleshooting steps, you should be able to find the IP address associated with a MAC address. Remember to also check the documentation or support resources provided by the manufacturer of the device you are trying to locate the IP address for, as they may have specific instructions for finding this information.

Connection Issues

If you're experiencing connection issues while trying to find the IP address with a MAC address, there could be a few possible reasons for this problem.

First, make sure that you have the correct MAC address. Double-check that you entered the MAC address correctly and that there are no typos. A small mistake can make it difficult to find the IP address.

Second, check your network settings and make sure that your device is connected to the same network as the device with the MAC address you're trying to find. If your device is connected to a different network, it won't be able to find the IP address.

Third, check if there are any issues with your network connection. Make sure that your Wi-Fi or Ethernet connection is stable and working properly. If there are any issues with your connection, it may affect your ability to find the IP address.

Finally, consider checking your device's firewall settings. Sometimes, the firewall can block certain network requests, preventing you from finding the IP address. Temporarily disabling the firewall or adding an exception for the application you're using to find the IP address may help resolve the issue.

By addressing these potential connection issues, you should be able to find the IP address with the MAC address successfully.

Incorrect MAC Address

If you are trying to find an IP address with a MAC address, it is important to ensure that the MAC address you have is correct. An incorrect MAC address can result in inaccurate or misleading information.

To avoid using an incorrect MAC address, double-check the MAC address provided to you. Ensure that all characters are typed correctly and in the proper format.

If you are unsure of the MAC address or suspect that it may be incorrect, you can verify it by checking the device's network settings. Look for the MAC address listed under the device's network or Wi-Fi settings.

Correctly identifying the MAC address is crucial in accurately finding the IP address associated with it. Incorrectly entering or providing a MAC address can lead to wasted time and effort in trying to locate the corresponding IP address.

By double-checking and verifying the MAC address, you can ensure that you are using the correct information to find the IP address associated with it.

IP Address Conflicts

IP address conflicts occur when two devices on a network are assigned the same IP address. This can happen if a device is manually assigned an IP address that is already in use by another device, or if there is a DHCP (Dynamic Host Configuration Protocol) server that assigns conflicting IP addresses.

When an IP address conflict occurs, it can cause network connectivity issues for the devices involved. The conflicting devices may not be able to communicate properly with each other or with other devices on the network.

To resolve an IP address conflict, you can follow the steps below:

Step 1: Identify the conflicting devices

Find out which devices are experiencing the IP address conflict. You can do this by checking the network logs or using network scanning tools to identify devices with duplicate IP addresses.

Step 2: Release and renew IP addresses

To resolve the conflict, release the IP address of the conflicting devices. This can be done by either restarting the devices or using the command prompt to release and renew IP addresses.

For example, in Windows, you can use the following command:

Step 3: Modify DHCP settings

If the IP address conflict is caused by a DHCP server, you may need to modify the DHCP settings to ensure that conflicting IP addresses are not assigned. This can be done by configuring the DHCP server to have a larger address pool or by manually assigning static IP addresses to devices.

By following these steps, you should be able to resolve IP address conflicts on your network and ensure smooth communication between devices.

Step 6: Enhancing Network Security

In addition to finding the IP address associated with a MAC address, knowing how to enhance network security is crucial for maintaining a safe and secure network environment. Here are some key steps to take:

1. Enable Network Access Control

By implementing network access control (NAC), you can ensure that only authorized devices are allowed to connect to your network. NAC solutions use various methods, such as MAC authentication or 802.1X authentication, to verify the identity of devices before granting them access.

2. Use MAC Address Filtering

MAC address filtering is another effective way to enhance network security. By configuring your network devices to only accept connections from specific MAC addresses, you can restrict unauthorized devices from accessing your network.

3. Implement Firewalls

Firewalls play a critical role in network security. By configuring firewalls to control inbound and outbound network traffic, you can prevent unauthorized access and protect your network from external threats.

4. Regularly Update Firmware and Patches

Keeping your network devices up to date with the latest firmware and security patches is essential for protecting against vulnerabilities. Manufacturers often release updates to address security flaws, and regularly applying these updates helps to keep your network secure.

5. Educate Users about Security Best Practices

While implementing technical measures is essential, educating users about security best practices is equally important. By raising awareness and providing training on topics such as password hygiene, phishing scams, and social engineering, you can empower your network users to become active participants in maintaining network security.

By following these steps, you can significantly enhance the security of your network and better protect it from potential threats and unauthorized access.

Limiting Access with MAC Filtering

One way to control the devices that can connect to your network is by implementing MAC filtering. MAC (Media Access Control) filtering allows you to specify which devices are allowed or denied access based on their unique MAC address.

To set up MAC filtering, you need to find the MAC addresses of the devices you want to either allow or deny access. Once you have these MAC addresses, you can add them to your network's MAC filtering list.

MAC filtering works by creating a whitelist or blacklist of MAC addresses. If you want to allow specific devices to connect, you add their MAC addresses to the whitelist. On the other hand, if you want to block certain devices from accessing your network, you add their MAC addresses to the blacklist.

To find the MAC address of a device, you can typically locate it in the device's network settings or configuration menu. It is a unique identifier assigned to the device's network adapter.

By implementing MAC filtering, you can increase the security of your network by limiting access only to trusted devices. It provides an extra layer of protection and helps prevent unauthorized access.

Using MAC Address Control Lists

One way to control access to your network is by using MAC address control lists. A MAC address, or media access control address, is a unique identifier assigned to network interfaces for communications at the data link layer of a network segment.

MAC address control lists allow network administrators to specify which devices are allowed or denied access to a network based on their MAC addresses. This adds an extra layer of security to your network, as only devices with approved MAC addresses will be able to connect.

How to Set Up MAC Address Control Lists

To set up a MAC address control list, you will need to access your network's router or switch configuration settings. Here are the steps to follow:

1. Access the router or switch configuration page by entering its IP address in a web browser.
2. Login to the configuration page using your administrator credentials.
3. Navigate to the MAC address control list settings.
4. Add the MAC addresses of devices you want to allow or deny access to the network.
5. Save the changes and exit the configuration page.

Once the MAC address control list is set up, only devices with MAC addresses included in the list will be able to connect to your network. Any devices with MAC addresses not on the list will be denied access.

Important Considerations

When using MAC address control lists, it is important to keep the following considerations in mind:

• MAC addresses can be spoofed, meaning a device can fake its MAC address to bypass the control list. Additional security measures should be implemented alongside MAC address control lists.
• Regularly review and update the MAC address control list as new devices are added to or removed from your network.
• Remember that MAC address control lists only control access at the data link layer. Other security measures should be in place to protect your network at higher layers.

By utilizing MAC address control lists, you can enhance the security of your network and have more control over which devices are allowed to connect.

Question-answer:

Can I find the IP address of a device using its MAC address?

Yes, you can find the IP address of a device by using its MAC address. There are several methods to do so, such as using the ARP table, DHCP server logs, or network scanning tools.

What is a MAC address and how is it different from an IP address?

A MAC address (Media Access Control address) is a unique identifier associated with a network interface card. It is assigned by the manufacturer and is used to identify a specific device on a network. An IP address, on the other hand, is a numeric address assigned to a device by a DHCP server or manually. While a MAC address is hardware-based and fixed, an IP address is software-based and can change.

What are some common methods to find the IP address of a device using its MAC address?

Some common methods to find the IP address of a device using its MAC address include checking the ARP table on a router or switch, looking at DHCP server logs, using network scanning tools like Angry IP Scanner or Advanced IP Scanner, or using command-line tools like arp or nmap.

How do I find the IP address of a device on a Windows computer using its MAC address?

To find the IP address of a device on a Windows computer using its MAC address, you can use the "arp" command in the Command Prompt. Open the Command Prompt, then type "arp -a" and press Enter. This will display the ARP table, which lists the IP addresses and corresponding MAC addresses of devices connected to your network. Look for the MAC address you're interested in, and you'll find its corresponding IP address.

Is it possible to find the IP address of a device using its MAC address if the device is not currently connected to the network?

No, it is not possible to find the IP address of a device using its MAC address if the device is not currently connected to the network. The MAC address and IP address information is stored in the ARP table or DHCP server logs, which are updated as devices connect and disconnect from the network. If the device is not connected, its information will not be available in these sources.