COMSYS Communications Systems Service GmbH - MAC Prefix A0BB3E4 (MA-M)

What this means

The IEEE assigned the MA-M block A0BB3E4 to COMSYS Communications Systems Service 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 A0:BB:3E:4, it is COMSYS Communications Systems Service GmbH hardware.

Frequently Asked Questions

Who owns MAC prefix A0BB3E4?

A0BB3E4 is registered to COMSYS Communications Systems Service 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. COMSYS Communications Systems Service GmbH's block covers 1,048,576 addresses.

What devices use A0BB3E4?

Any network device with a MAC address starting A0:BB:3E:4 was manufactured by or for COMSYS Communications Systems Service GmbH.

OUI prefix	A0BB3E4
Vendor	COMSYS Communications Systems Service 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	A0:BB:3E:4:00:00:00