MAC Address Lookup

Look up manufacturer from MAC address

Enter MAC Address

MAC Address Format

Colon: 00:1A:2B:3C:4D:5E

Hyphen: 00-1A-2B-3C-4D-5E

Dot: 001A.2B3C.4D5E

Plain: 001A2B3C4D5E

MAC Address Lookup Online - Professional free Vendor lookup tool from MAC Address

Tan Phat Digital's free online device manufacturer lookup tool from MAC address is an indispensable solution for network administrators, IT support, security analysts and anyone working with computer networks. MAC address (Media Access Control address) is the unique physical address assigned to each network interface card (NIC) of the device. The first 3 bytes of the MAC address are called OUI (Organizationally Unique Identifier), assigned by IEEE to each device manufacturer. This tool allows you to enter the MAC address in any format (colon, hyphen, dot, or plain) and instantly look up the vendor/manufacturer of that device. Useful for identifying unfamiliar devices on the network, troubleshooting network issues, security auditing, and inventory management. Database includes popular vendors such as Apple, Cisco, VMware, Dell, Google, Raspberry Pi and more.

Outstanding features

Look up vendor/manufacturer from MAC address with updated OUI database
Supports all MAC address formats: colon (00:1A:2B:3C:4D:5E), hyphen (00-1A-2B-3C-4D-5E), dot (001A.2B3C.4D5E), plain (001A2B3C4D5E)
Automatically normalize and format MAC address according to
standards Displays the OUI (first 3 bytes) - manufacturer's identifier
MAC type classification: Universally Administered (UAA) or Locally Administered (LAA)
Validate MAC address - detect invalid format
Copy formatted MAC address with one click
Database includes popular vendors: Apple, Cisco, VMware, Dell, Google, Microsoft, Raspberry Pi...
100% offline processing on browser, no MAC address sent to server
Simple interface, results displayed immediately
Support Enter key for quick lookup
Display detailed information: vendor name, OUI, formatted MAC, MAC type

Why is it necessary to look up MAC address and when to use this tool?

MAC address lookup is a basic but important skill in network administration and security. During network troubleshooting, when you see a strange MAC address in the ARP table, DHCP leases, or switch MAC address table, knowing which vendor device it is from helps quickly identify whether it is a laptop, phone, IoT device, or virtual machine. In security auditing, detecting a MAC address from an unexpected vendor can be a sign of a rogue device or unauthorized access. In inventory management, MAC addresses help track and identify devices in large networks. In virtualization, MAC addresses from VMware (00:50:56, 00:0C:29), VirtualBox (08:00:27), Hyper-V (00:15:5D) help distinguish VMs from physical machines. This tool helps you look up quickly without having to remember the OUI or look up manually on the IEEE database.

Benefits when used

  • •Quickly identify strange devices on the network - immediately know if it is Apple, Cisco, or unknown vendor
  • •Detect rogue devices and unauthorized access in security audits
  • •Distinguishing between physical machines and virtual machines (VMware, VirtualBox, Hyper-V)
  • •Troubleshoot network issues by identifying the device causing the problem
  • •Inventory management - track equipment by manufacturer
  • •No need to remember OUI codes - automatic lookup tool
  • •Save time compared to manual search on IEEE website
  • •Security - MAC address is not sent to any server

Detailed instructions on how to look up MAC address

  1. 1Get the MAC address of the device to look up (from ipconfig, ifconfig, ARP table, DHCP server, switch, router...)
  2. 2Enter MAC address in the input box - can enter in any format: 00:1A:2B:3C:4D:5E, 00-1A-2B-3C-4D-5E, 001A.2B3C.4D5E, or 001A2B3C4D5E
  3. 3Press Enter or click the
  4. 4,
  5. 5,
  6. 6Copy
  7. 7,
  8. 8Unknown Vendor

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