What this means
The IEEE assigned the MA-L block 0090CB to Wireless OnLine, 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 00:90:CB, it is Wireless OnLine, Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix 0090CB?
0090CB is registered to Wireless OnLine, 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. Wireless OnLine, Inc.'s block covers 16,777,216 addresses.
What devices use 0090CB?
Any network device with a MAC address starting 00:90:CB was manufactured by or for Wireless OnLine, Inc..