What this means
The IEEE assigned the MA-M block A019B25 to SZBROAD TECHNOLOGY (HK) CO.,LTMITED. 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 A0:19:B2:5, it is SZBROAD TECHNOLOGY (HK) CO.,LTMITED hardware.
Frequently Asked Questions
Who owns MAC prefix A019B25?
A019B25 is registered to SZBROAD TECHNOLOGY (HK) CO.,LTMITED in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. SZBROAD TECHNOLOGY (HK) CO.,LTMITED's block covers 1,048,576 addresses.
What devices use A019B25?
Any network device with a MAC address starting A0:19:B2:5 was manufactured by or for SZBROAD TECHNOLOGY (HK) CO.,LTMITED.