Who owns MAC prefix 703811?

703811 is registered to Siemens Mobility Limited in the IEEE MA-L registry.

What devices use 703811?

Any network device with a MAC address starting 70:38:11 was manufactured by or for Siemens Mobility Limited.

MA-L · OUI prefix

Siemens Mobility Limited

Any MAC address starting 70:38:11 is registered to Siemens Mobility Limited.

OUI prefix	703811
Vendor	Siemens Mobility Limited
Registry	MA-L (24-bit, large block)
Example MAC	70:38:11:00:00:00

What this means

The IEEE assigned the MA-L block 703811 to Siemens Mobility Limited. 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 70:38:11, it is Siemens Mobility Limited hardware.

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