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.
Frequently Asked Questions
Who owns MAC prefix 703811?
703811 is registered to Siemens Mobility Limited in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. Siemens Mobility Limited's block covers 16,777,216 addresses.
What devices use 703811?
Any network device with a MAC address starting 70:38:11 was manufactured by or for Siemens Mobility Limited.