Who owns MAC prefix 00005B?

00005B is registered to ELTEC ELEKTRONIK AG in the IEEE MA-L registry.

What devices use 00005B?

Any network device with a MAC address starting 00:00:5B was manufactured by or for ELTEC ELEKTRONIK AG.

MA-L · OUI prefix

ELTEC ELEKTRONIK AG

Any MAC address starting 00:00:5B is registered to ELTEC ELEKTRONIK AG in DE.

OUI prefix	00005B
Vendor	ELTEC ELEKTRONIK AG
Registry	MA-L (24-bit, large block)
Country	DE
Example MAC	00:00:5B:00:00:00

What this means

The IEEE assigned the MA-L block 00005B to ELTEC ELEKTRONIK AG. 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 00:00:5B, it is ELTEC ELEKTRONIK AG hardware.

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