Who owns MAC prefix 70B3D538A?

70B3D538A is registered to KSE GmbH in the IEEE MA-S registry.

What devices use 70B3D538A?

Any network device with a MAC address starting 70:B3:D5:38:A was manufactured by or for KSE GmbH.

MA-S · OUI prefix

KSE GmbH

Any MAC address starting 70:B3:D5:38:A is registered to KSE GmbH in DE.

OUI prefix	70B3D538A
Vendor	KSE GmbH
Registry	MA-S (36-bit, small block)
Country	DE
Example MAC	70:B3:D5:38:A:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D538A to KSE 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:D5:38:A, it is KSE GmbH hardware.

Other KSE GmbH prefixes

KSE GmbH holds 5 registered blocks in total.

70B3D50F6 70B3D5D41 8C1F6441C 8C1F6497D

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