Who owns MAC prefix 28E6E9?

28E6E9 is registered to SIS Sat Internet Services GmbH in the IEEE MA-L registry.

What devices use 28E6E9?

Any network device with a MAC address starting 28:E6:E9 was manufactured by or for SIS Sat Internet Services GmbH.

MA-L · OUI prefix

SIS Sat Internet Services GmbH

Any MAC address starting 28:E6:E9 is registered to SIS Sat Internet Services GmbH in DE.

OUI prefix	28E6E9
Vendor	SIS Sat Internet Services GmbH
Registry	MA-L (24-bit, large block)
Country	DE
Example MAC	28:E6:E9:00:00:00

What this means

The IEEE assigned the MA-L block 28E6E9 to SIS Sat Internet Services 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 28:E6:E9, it is SIS Sat Internet Services GmbH hardware.

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