What this means
The IEEE assigned the MA-L block 90837A to General Electric Water & Process Technologies. 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 90:83:7A, it is General Electric Water & Process Technologies hardware.
Frequently Asked Questions
Who owns MAC prefix 90837A?
90837A is registered to General Electric Water & Process Technologies 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. General Electric Water & Process Technologies's block covers 16,777,216 addresses.
What devices use 90837A?
Any network device with a MAC address starting 90:83:7A was manufactured by or for General Electric Water & Process Technologies.