Who owns MAC prefix 70B3D5219?

70B3D5219 is registered to D-E-K GmbH & Co.KG in the IEEE MA-S registry.

What devices use 70B3D5219?

Any network device with a MAC address starting 70:B3:D5:21:9 was manufactured by or for D-E-K GmbH & Co.KG.

MA-S · OUI prefix

D-E-K GmbH & Co.KG

Any MAC address starting 70:B3:D5:21:9 is registered to D-E-K GmbH & Co.KG in DE.

OUI prefix	70B3D5219
Vendor	D-E-K GmbH & Co.KG
Registry	MA-S (36-bit, small block)
Country	DE
Example MAC	70:B3:D5:21:9:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5219 to D-E-K GmbH & Co.KG. 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:D5:21:9, it is D-E-K GmbH & Co.KG hardware.

Other D-E-K GmbH & Co.KG prefixes

D-E-K GmbH & Co.KG holds 2 registered blocks in total.

8C1F647AE

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