Who owns MAC prefix 3C7437?

3C7437 is registered to RIM in the IEEE MA-L registry.

What devices use 3C7437?

Any network device with a MAC address starting 3C:74:37 was manufactured by or for RIM.

MA-L · OUI prefix

RIM

Any MAC address starting 3C:74:37 is registered to RIM.

OUI prefix	3C7437
Vendor	RIM
Registry	MA-L (24-bit, large block)
Example MAC	3C:74:37:00:00:00

What this means

The IEEE assigned the MA-L block 3C7437 to RIM. 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:74:37, it is RIM hardware.

Other RIM prefixes

RIM holds 14 registered blocks in total.

00237A 147411 2CA835 30694B 307C30 405FBE 406AAB 70D4F2 806007 A06CEC A86A6F CC55AD all 14 »

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