What devices use 70B3D5BEC?

Any network device with a MAC address starting 70:B3:D5:BE:C was manufactured by or for Tokyo Communication Equipment MFG Co.,ltd..

MA-S · OUI prefix

Tokyo Communication Equipment MFG Co.,ltd.

Q: Who owns MAC prefix 70B3D5BEC?

70B3D5BEC is registered to Tokyo Communication Equipment MFG Co.,ltd. in the IEEE MA-S registry.

Any MAC address starting 70:B3:D5:BE:C is registered to Tokyo Communication Equipment MFG Co.,ltd. in JP.

OUI prefix	70B3D5BEC
Vendor	Tokyo Communication Equipment MFG Co.,ltd.
Registry	MA-S (36-bit, small block)
Country	JP
Example MAC	70:B3:D5:BE:C:00:00:00

What this means

The IEEE assigned the MA-S block 70B3D5BEC to Tokyo Communication Equipment MFG Co.,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 70:B3:D5:BE:C, it is Tokyo Communication Equipment MFG Co.,ltd. hardware.

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