What this means
The IEEE assigned the MA-M block B44BD60 to G4S Monitoring Technologies 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 B4:4B:D6:0, it is G4S Monitoring Technologies Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix B44BD60?
B44BD60 is registered to G4S Monitoring Technologies Ltd 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. G4S Monitoring Technologies Ltd's block covers 1,048,576 addresses.
What devices use B44BD60?
Any network device with a MAC address starting B4:4B:D6:0 was manufactured by or for G4S Monitoring Technologies Ltd.