Who owns MAC prefix 3C450B?

3C450B is registered to Sentry Equipment Corp. in the IEEE MA-L registry.

What devices use 3C450B?

Any network device with a MAC address starting 3C:45:0B was manufactured by or for Sentry Equipment Corp..

MA-L · OUI prefix

Sentry Equipment Corp.

Any MAC address starting 3C:45:0B is registered to Sentry Equipment Corp. in US.

OUI prefix	3C450B
Vendor	Sentry Equipment Corp.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	3C:45:0B:00:00:00

What this means

The IEEE assigned the MA-L block 3C450B to Sentry Equipment Corp.. 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 3C:45:0B, it is Sentry Equipment Corp. hardware.

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