Who owns MAC prefix 203956?

203956 is registered to HMD Global Oy in the IEEE MA-L registry.

What devices use 203956?

Any network device with a MAC address starting 20:39:56 was manufactured by or for HMD Global Oy.

MA-L · OUI prefix

HMD Global Oy

Any MAC address starting 20:39:56 is registered to HMD Global Oy in FI.

OUI prefix	203956
Vendor	HMD Global Oy
Registry	MA-L (24-bit, large block)
Country	FI
Example MAC	20:39:56:00:00:00

What this means

The IEEE assigned the MA-L block 203956 to HMD Global Oy. 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 20:39:56, it is HMD Global Oy hardware.

Other HMD Global Oy prefixes

HMD Global Oy holds 31 registered blocks in total.

005E0C 04F128 184E03 1C3B62 44917C 4C6AF6 4CD3AF 60D89C 64D315 68DDD9 6CA928 6CC4D5 all 31 »

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