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MAC prefix A4:5C:27

Assigned by the IEEE to Nintendo Co., Ltd..

Prefix
A4:5C:27   A4-5C-27   A45C.27
Block type
MA-L (16,777,216 addresses)
Address range
A4:5C:27:00:00:00 – A4:5C:27:FF:FF:FF
Organization
Nintendo Co., Ltd.
Registered address
11-1 HOKOTATE-CHO KAMITOBA, MINAMI-KU, KYOTO KYOTO 601-8501, JP
Country
Japan (JP)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up A4:5C:27:00:00:00

Nintendo Co., Ltd. holds 90 blocks in total: see all. Source: IEEE Registration Authority public listing.