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MAC prefix 00:40:31

Assigned by the IEEE to KOKUSAI ELECTRIC CO., LTD.

Prefix
00:40:31   00-40-31   0040.31
Block type
MA-L (16,777,216 addresses)
Address range
00:40:31:00:00:00 – 00:40:31:FF:FF:FF
Organization
KOKUSAI ELECTRIC CO., LTD
Registered address
2-1 YASUUCHI, TOYAMA 939-23, JP
Country
Japan (JP)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 00:40:31:00:00:00

KOKUSAI ELECTRIC CO., LTD holds 1 block in total: see all. Source: IEEE Registration Authority public listing.