What this means
The IEEE assigned the MA-L block 90A210 to United Telecoms Ltd. 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:A2:10, it is United Telecoms Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 90A210?
90A210 is registered to United Telecoms Ltd 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. United Telecoms Ltd's block covers 16,777,216 addresses.
What devices use 90A210?
Any network device with a MAC address starting 90:A2:10 was manufactured by or for United Telecoms Ltd.