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MAC prefix 00:03:7F

Assigned by the IEEE to Atheros Communications, Inc..

Prefix
00:03:7F   00-03-7F   0003.7F
Block type
MA-L (16,777,216 addresses)
Address range
00:03:7F:00:00:00 – 00:03:7F:FF:FF:FF
Organization
Atheros Communications, Inc.
Registered address
5480 Great America Parkway, Santa Clara CA 95054, US
Country
United States (US)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 00:03:7F:00:00:00

Atheros Communications, Inc. holds 3 blocks in total: see all. Source: IEEE Registration Authority public listing.