DEUTA-WERKE GmbH - MAC Prefix 70B3D56E5 (MA-S)

What this means

The IEEE assigned the MA-S block 70B3D56E5 to DEUTA-WERKE 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 70:B3:D5:6E:5, it is DEUTA-WERKE GmbH hardware.

Frequently Asked Questions

Who owns MAC prefix 70B3D56E5?

70B3D56E5 is registered to DEUTA-WERKE GmbH in the IEEE MA-S registry.

What does the MA-S registry type mean?

An MA-S assignment, formerly called OUI-36, covers 36 bits, giving the vendor 4,096 device addresses, the smallest block the IEEE issues. DEUTA-WERKE GmbH's block covers 4,096 addresses.

What devices use 70B3D56E5?

Any network device with a MAC address starting 70:B3:D5:6E:5 was manufactured by or for DEUTA-WERKE GmbH.

Other DEUTA-WERKE GmbH prefixes

DEUTA-WERKE GmbH holds 37 registered blocks in total.

OUI prefix	70B3D56E5
Vendor	DEUTA-WERKE GmbH
Registry	MA-S (36-bit, small block)
Block size	4,096 addresses
Country	DE
Other blocks by this vendor	37 total
Example MAC	70:B3:D5:6E:5:00:00:00