Who owns MAC prefix 7445CE?

7445CE is registered to CRESYN in the IEEE MA-L registry.

What devices use 7445CE?

Any network device with a MAC address starting 74:45:CE was manufactured by or for CRESYN.

MA-L · OUI prefix

CRESYN

Any MAC address starting 74:45:CE is registered to CRESYN.

OUI prefix	7445CE
Vendor	CRESYN
Registry	MA-L (24-bit, large block)
Example MAC	74:45:CE:00:00:00

What this means

The IEEE assigned the MA-L block 7445CE to CRESYN. 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 74:45:CE, it is CRESYN hardware.

Other CRESYN prefixes

CRESYN holds 5 registered blocks in total.

001809 1406A7 3053C1 E89E13

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