Find the vendor name of a device by entering an OUI or a MAC address
Search for Any MAC Address Instantly
Simply enter the MAC address or OUI, and you’ll instantly see the vendor’s name, address, and country.
In addition, we provide historical data on MAC prefixes, so you can track any changes to vendor names or addresses over time.
DB Entries
| Last update: | 24 February 2025 |
|---|---|
| MAC address: | 53873 |
| Download | Free database |
| MA-L | 36970 |
|---|---|
| MA-M | 5714 |
| MA-S | 6381 |
| CID | 195 |
| IAB | 4578 |
MA-L
An MA-L (MAC Address Block Large) assignment includes an OUI and large blocks of EUI-48 and EUI-64 values which can be used as MAC Addresses, Bluetooth Device Addresses, Ethernet Addresses or object identifiers.
MA-M
An MA-M (MAC Address Block Medium) assignment includes medium blocks of EUI-48 and EUI-64 values which can be used as MAC Addresses, Bluetooth Device Addresses, Ethernet Addresses or object identifiers.
MA-S
An MA-S (MAC Address Block Small) assignment includes an OUI-36 and small blocks of EUI-48 and EUI-64 values which can be used as MAC Addresses, Bluetooth Device Addresses, Ethernet Addresses or object identifiers.
CID
A unique 24-bit identifier that cannot be used to generate EUI-48 or EUI-64 values. Therefore, the CID (Company ID) is especially applicable in applications where unique MAC addresses are not required.
IAB
IAB, Individual Address Block, is an inactive registry activity, which has been replaced by the MA-S registry product as of January 1,2014. The owner of an already assigned IAB may continue to use the assignment until its exhaustion.