What this means
The IEEE assigned the MA-L block 90342B to Gatekeeper Systems, Inc.. 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 90:34:2B, it is Gatekeeper Systems, Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix 90342B?
90342B is registered to Gatekeeper Systems, Inc. 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. Gatekeeper Systems, Inc.'s block covers 16,777,216 addresses.
What devices use 90342B?
Any network device with a MAC address starting 90:34:2B was manufactured by or for Gatekeeper Systems, Inc..