Who owns MAC prefix 70B3D51C0?

70B3D51C0 is registered to W. H. Leary Co., Inc. in the IEEE MA-S registry.

What devices use 70B3D51C0?

Any network device with a MAC address starting 70:B3:D5:1C:0 was manufactured by or for W. H. Leary Co., Inc..

MA-S · OUI prefix

W. H. Leary Co., Inc.

Any MAC address starting 70:B3:D5:1C:0 is registered to W. H. Leary Co., Inc. in US.

OUI prefix	70B3D51C0
Vendor	W. H. Leary Co., Inc.
Registry	MA-S (36-bit, small block)
Country	US
Example MAC	70:B3:D5:1C:0:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D51C0 to W. H. Leary Co., 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:D5:1C:0, it is W. H. Leary Co., Inc. hardware.

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