What this means
The IEEE assigned the MA-L block 902155 to HTC Corporation. 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 90:21:55, it is HTC Corporation hardware.
Frequently Asked Questions
Who owns MAC prefix 902155?
902155 is registered to HTC Corporation 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. HTC Corporation's block covers 16,777,216 addresses.
What devices use 902155?
Any network device with a MAC address starting 90:21:55 was manufactured by or for HTC Corporation.