What this means

The IEEE assigned the MA-L block 00187A to Wiremold. 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 00:18:7A, it is Wiremold hardware.

Frequently Asked Questions

Who owns MAC prefix 00187A?

00187A is registered to Wiremold 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. Wiremold's block covers 16,777,216 addresses.

What devices use 00187A?

Any network device with a MAC address starting 00:18:7A was manufactured by or for Wiremold.