Who owns MAC prefix 5C521E?

5C521E is registered to Nintendo Co.,Ltd in the IEEE MA-L registry.

What devices use 5C521E?

Any network device with a MAC address starting 5C:52:1E was manufactured by or for Nintendo Co.,Ltd.

MA-L · OUI prefix

Nintendo Co.,Ltd

Any MAC address starting 5C:52:1E is registered to Nintendo Co.,Ltd in JP.

OUI prefix	5C521E
Vendor	Nintendo Co.,Ltd
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	5C:52:1E:00:00:00

What this means

The IEEE assigned the MA-L block 5C521E to Nintendo Co.,Ltd. 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 5C:52:1E, it is Nintendo Co.,Ltd hardware.

Other Nintendo Co.,Ltd prefixes

Nintendo Co.,Ltd holds 110 registered blocks in total.

0009BF 001656 0017AB 00191D 0019FD 001AE9 001B7A 001BEA 001CBE 001DBC 001E35 001EA9 all 110 »

Look up another MAC