What this means
The IEEE assigned the MA-L block 0022A7 to Tyco Electronics AMP GmbH. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting 00:22:A7, it is Tyco Electronics AMP GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix 0022A7?
0022A7 is registered to Tyco Electronics AMP GmbH in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. Tyco Electronics AMP GmbH's block covers 16,777,216 addresses.
What devices use 0022A7?
Any network device with a MAC address starting 00:22:A7 was manufactured by or for Tyco Electronics AMP GmbH.