Who owns MAC prefix 00A057?

00A057 is registered to LANCOM Systems GmbH in the IEEE MA-L registry.

What devices use 00A057?

Any network device with a MAC address starting 00:A0:57 was manufactured by or for LANCOM Systems GmbH.

MA-L · OUI prefix

LANCOM Systems GmbH

Any MAC address starting 00:A0:57 is registered to LANCOM Systems GmbH in DE.

OUI prefix	00A057
Vendor	LANCOM Systems GmbH
Registry	MA-L (24-bit, large block)
Country	DE
Example MAC	00:A0:57:00:00:00

What this means

The IEEE assigned the MA-L block 00A057 to LANCOM Systems 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:A0:57, it is LANCOM Systems GmbH hardware.

Other LANCOM Systems GmbH prefixes

LANCOM Systems GmbH holds 2 registered blocks in total.

2CD7FF

Look up another MAC