Who owns MAC prefix 4C55B8?

4C55B8 is registered to Turkcell Teknoloji in the IEEE MA-L registry.

What devices use 4C55B8?

Any network device with a MAC address starting 4C:55:B8 was manufactured by or for Turkcell Teknoloji.

MA-L · OUI prefix

Turkcell Teknoloji

Any MAC address starting 4C:55:B8 is registered to Turkcell Teknoloji in TR.

OUI prefix	4C55B8
Vendor	Turkcell Teknoloji
Registry	MA-L (24-bit, large block)
Country	TR
Example MAC	4C:55:B8:00:00:00

What this means

The IEEE assigned the MA-L block 4C55B8 to Turkcell Teknoloji. 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 4C:55:B8, it is Turkcell Teknoloji hardware.

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