Who owns MAC prefix 70B3D52FC?

70B3D52FC is registered to Loanguard T/A SE Controls in the IEEE MA-S registry.

What devices use 70B3D52FC?

Any network device with a MAC address starting 70:B3:D5:2F:C was manufactured by or for Loanguard T/A SE Controls.

MA-S · OUI prefix

Loanguard T/A SE Controls

Any MAC address starting 70:B3:D5:2F:C is registered to Loanguard T/A SE Controls.

OUI prefix	70B3D52FC
Vendor	Loanguard T/A SE Controls
Registry	MA-S (36-bit, small block)
Example MAC	70:B3:D5:2F:C:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D52FC to Loanguard T/A SE Controls. 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 70:B3:D5:2F:C, it is Loanguard T/A SE Controls hardware.

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