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MAC prefix 00:40:FE

Assigned by the IEEE to SYMPLEX COMMUNICATIONS.

Prefix
00:40:FE   00-40-FE   0040.FE
Block type
MA-L (16,777,216 addresses)
Address range
00:40:FE:00:00:00 – 00:40:FE:FF:FF:FF
Organization
SYMPLEX COMMUNICATIONS
Registered address
5 RESEARCH DRIVE, ANN ARBOR MI 48103, US
Country
United States (US)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 00:40:FE:00:00:00

SYMPLEX COMMUNICATIONS holds 1 block in total: see all. Source: IEEE Registration Authority public listing.