What this means
The IEEE assigned the MA-L block B45253 to Seagate Technology. 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 B4:52:53, it is Seagate Technology hardware.
Frequently Asked Questions
Who owns MAC prefix B45253?
B45253 is registered to Seagate Technology 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. Seagate Technology's block covers 16,777,216 addresses.
What devices use B45253?
Any network device with a MAC address starting B4:52:53 was manufactured by or for Seagate Technology.