Who owns MAC prefix 70B3D53F8?

70B3D53F8 is registered to The Fire Horn, Inc. in the IEEE MA-S registry.

What devices use 70B3D53F8?

Any network device with a MAC address starting 70:B3:D5:3F:8 was manufactured by or for The Fire Horn, Inc..

MA-S · OUI prefix

The Fire Horn, Inc.

Any MAC address starting 70:B3:D5:3F:8 is registered to The Fire Horn, Inc. in US.

OUI prefix	70B3D53F8
Vendor	The Fire Horn, Inc.
Registry	MA-S (36-bit, small block)
Country	US
Example MAC	70:B3:D5:3F:8:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D53F8 to The Fire Horn, Inc.. 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:D5:3F:8, it is The Fire Horn, Inc. hardware.

Look up another MAC