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MAC prefix 00:80:91

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

Prefix
00:80:91   00-80-91   0080.91
Block type
MA-L (16,777,216 addresses)
Address range
00:80:91:00:00:00 – 00:80:91:FF:FF:FF
Organization
TOKYO ELECTRIC CO.,LTD
Registered address
10-14 UCHIKANDA, TOKYO JAPAN 101, JP
Country
Japan (JP)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 00:80:91:00:00:00

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