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How Many MAC Addresses Does a Router Have?

How Many MAC Addresses Does a Router Have?

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Linking devices and authorizing them to transfer data is routine in today’s modern, connected world.

To facilitate the interaction, however, several pieces must come together. In particular, two network communication components play a significant role: the MAC address and IP address.

The IP address is a relatively familiar term. However, most people wouldn’t know what a MAC address is.

So, what is a MAC address? What is its significance, and where is it located? How many MAC addresses does a device usually have? Is it dynamic, like your computer’s IP address?

Kindly continue reading to learn about a MAC address, how it compares to an IP address, and lots more.

(P.S. MAC addresses have no direct connection to or are not proprietary to Apple.)

What Is a MAC Address?

bottom of the asus router

A MAC (media access control) address is a 12-digit number assigned to a device on a network, providing it with an identity. It is essentially a sequence of six two-character or digit sets (separated by colons) identifying a device on a network.

The address is typically found on a device’s NIC (network interface card), commonly used in Wi-Fi, Ethernet, Bluetooth, and other IEEE 802 technologies. NIC converts information into electrical signals before sending them over a network. Every NIC comes with a MAC or hardware address.

MAC addresses help locate devices during network diagnostics, troubleshooting, or device filtering—for instance, diagnosing issues with IP addresses. It is akin to a postal address, which remains the same forever.

A MAC address could also be referred to as a networking hardware address, hardware ID, physical address, Wi-Fi address, burned-in address, or wireless ID.

A device can have multiple MAC addresses. If a laptop computer has integrated Wi-Fi and an ethernet port, its system configuration will show two MAC addresses.

Types of MAC Addresses

There are three primary types of MAC addresses:

  • Unicast: Unicast MAC address is assigned to a particular destination device’s NIC in a network. If a device wants to transmit information to a specific device on a LAN, it sends the information using its unicast MAC address.
  • Multicast: A multicast MAC address is used to transmit information to a bunch of devices in a network. The machines are subscribed to the multicast address. When data is sent to that address, the subscribed devices receive the information simultaneously.
  • Broadcast: Broadcast MAC addresses are used to send data to all the devices on a particular network.

Watch this video to learn more about the three MAC addresses:

Types of the MAC Addresses - Unicast, Multicast and Broadcast

How Do I Check the MAC Address of My Devices?

The MAC address of your device is usually found in its system or network settings. Most devices have the address printed on a label affixed to their bottom.

Other devices could have their MAC addresses attached somewhere else on them or in their software.

Here is a table listing devices and their MAC address information location:

Devices Method/Location
Modem/router Look for it in the device’s back
Smart TVs Head to TV Information/About This TV/… or user manual
Streaming devices Look for it in the Network section
Windows Press the Start button + R > cmd > ipconfig/all > Look for the physical address
Mac Head to System preferences > Network icon > Select the interface you want to connect (Ethernet/Wi-Fi) > Advanced. MAC address will be listed under the Hardware tab
Linux Open a console or terminal window and type “ipconfig” after logging in with the necessary permissions or as a superuser. The MAC address will appear as HWaddr (the ethernet interface’s hardware address).
Chrome OS Sign in and click on the bottom-right positioned time symbol. Then, click Network and the particular network whose MAC address you want to view.
iPhones Open Settings > About Phone > Status/Hardware Information > Wi-Fi MAC address
Android Open Settings > General > About > Wi-Fi Address
Xbox One Head to Settings and then select Network under Console. Next, click Advanced Settings to view wireless and wired MAC addresses.
Xbox 360 Head to My Xbox and select System Settings. Navigate to Network Settings and then Configure Network. Choose Additional Settings and then select Alternate MAC Address.
PS3/PS4 Head to Settings > System > System Information. The address will show adjacent to MAC Address (LAN Cable) and MAC Address (WI-Fi) for wireless MAC.
PS5 Choose the gear icon or Settings. Choose System and then Console Information. The Wi-Fi MAC Address will appear at the end of the list.   

MAC Address vs. IP Address

MAC and IP addresses are unique identifiers for a device. The MAC address is NIC card manufacturer-provided, whereas your ISP or network administrator gives your device its IP address.

The MAC address is connected to network adapter hardware. The IP address (logical address) is related to TCP/IP, a networking software.

The MAC address is permanent, whereas a device’s IP address will change each time it connects to the internet.

A MAC address helps identify a device’s physical address on a local network, whereas an IP address detects a device globally or via its internet address.

Both look very different. An example MAC address will be 00:0a:95:9d:68:16. An IP address is expressed as a four-number set—for example,

MAC addresses are assigned to a device at the time of its production. It’s hard-coded onto the device’s NIC. An IP address, on the other hand, is dynamic or not hardwired to a machine.

Both play a crucial role in transferring data from one computer to another. If not for these MAC and IP addresses, the data meant to be received by a particular computer will not come through.  

The table below highlights the key differences between the two addresses:

MAC Address IP Address
Layer 2 (data link layer) address Layer 3 (network layer) address
A device’s physical address A device’s logical address
Local-scale device identification Global-scale device identification
Static (cannot be changed) Dynamic (changes each time the device connects to a network)
NIC card manufacturer-provided ISP-provided
Hardware-related Software-related
Not easily accessible to third parties Can be determined by an external party

How Many MAC Addresses Does a Router Have?

The modern-day router has a minimum of three MAC addresses for its three network interfaces.

ports behind an asus router

  • WAN (Wide Area Network): A public network interface that comprises several LANs (Local Area Networks) or the internet.
  • Wired LAN (Ethernet): A network interface that connects multiple devices with ethernet cables to set up a LAN.
  • Wireless LAN (Wi-Fi): A network interface linking two or more devices through Wi-Fi (wireless communication) to form a LAN.

The more ports your router has, the more MAC addresses it will have—since each port has a NIC and each NIC has a MAC address. The MAC address behind a router is typically the WAN interface’s address.


Even though MAC address is not as familiar a term as IP address, it is an essential piece of information in the networking world.

The MAC address of a device is critical if you’re looking to configure an administrator or router in a network. It’s, therefore, imperative to know what MAC addresses are, where to find them, and how they vary from an IP address.

Both addresses are vital in letting devices transmit and receive information. Understanding how the two work together will help you troubleshoot network problems, optimize performance, and other things. 

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