Who owns MAC prefix 1C5A0B?

1C5A0B is registered to Tegile Systems in the IEEE MA-L registry.

What devices use 1C5A0B?

Any network device with a MAC address starting 1C:5A:0B was manufactured by or for Tegile Systems.

MA-L · OUI prefix

Tegile Systems

Any MAC address starting 1C:5A:0B is registered to Tegile Systems in US.

OUI prefix	1C5A0B
Vendor	Tegile Systems
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	1C:5A:0B:00:00:00

What this means

The IEEE assigned the MA-L block 1C5A0B to Tegile Systems. 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 1C:5A:0B, it is Tegile Systems hardware.

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