Who owns MAC prefix B44BD60?

B44BD60 is registered to G4S Monitoring Technologies Ltd in the IEEE MA-M registry.

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.

MA-M · OUI prefix

G4S Monitoring Technologies Ltd

Any MAC address starting B4:4B:D6:0 is registered to G4S Monitoring Technologies Ltd.

OUI prefix	B44BD60
Vendor	G4S Monitoring Technologies Ltd
Registry	MA-M (28-bit, medium block)
Example MAC	B4:4B:D6:0:00:00:00

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.

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