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MAC prefix 00:40:B4

Assigned by the IEEE to NEXTCOM K.K..

Prefix
00:40:B4   00-40-B4   0040.B4
Block type
MA-L (16,777,216 addresses)
Address range
00:40:B4:00:00:00 – 00:40:B4:FF:FF:FF
Organization
NEXTCOM K.K.
Registered address
1-12-1 SHIBUYA
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 00:40:B4:00:00:00

NEXTCOM K.K. holds 1 block in total: see all. Source: IEEE Registration Authority public listing.