1.A Connect GmbH - MAC Prefix 38B8EB1 (MA-M)

What this means

The IEEE assigned the MA-M block 38B8EB1 to 1.A Connect 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 38:B8:EB:1, it is 1.A Connect GmbH hardware.

Frequently Asked Questions

Who owns MAC prefix 38B8EB1?

38B8EB1 is registered to 1.A Connect GmbH in the IEEE MA-M registry.

What does the MA-M registry type mean?

An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. 1.A Connect GmbH's block covers 1,048,576 addresses.

What devices use 38B8EB1?

Any network device with a MAC address starting 38:B8:EB:1 was manufactured by or for 1.A Connect GmbH.

OUI prefix	38B8EB1
Vendor	1.A Connect GmbH
Registry	MA-M (28-bit, medium block)
Block size	1,048,576 addresses
Country	DE
Other blocks by this vendor	1 total
Example MAC	38:B8:EB:1:00:00:00