Search for Mac Address Vendor or Mac address prefix

Enter a MAC address or Vendor name below.

Searches for Vendors can be like 00:11:22:33:44:55, 0011.2233.4455 or 001122334455.
Searches for Prefixes can be like Cisco or Apple.




Our database uses data from the IEEE Standards Association.
IEEE offers a registration Authority which maintain lists Of MAC adresses And unique indentifiers.
Follow this link IEEE Standards Association To Get more information about the IEEE organisation.

We have included the following list Of prefixes In the database.

  • MA-L : IEEE MAC Address Large (24-bit block size)
  • MA-M : IEEE MAC Address Large (28-bit block size)
  • MA-S : IEEE MAC Address Large (36-bit block size)
  • IAB : IEEE Individual Address Blocks (36-bit block size)
  • CID : IEEE Company ID Blocks (24-bit block size)