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MAC prefix 18:66:DA

Assigned by the IEEE to Dell Inc..

Prefix
18:66:DA   18-66-DA   1866.DA
Block type
MA-L (16,777,216 addresses)
Address range
18:66:DA:00:00:00 – 18:66:DA:FF:FF:FF
Organization
Dell Inc.
Registered address
One Dell Way, Round Rock TX 78682, US
Country
United States (US)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 18:66:DA:00:00:00

Dell Inc. holds 166 blocks in total: see all. Source: IEEE Registration Authority public listing.