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MAC prefix 40:A9:CF

Assigned by the IEEE to Amazon Technologies Inc..

Prefix
40:A9:CF   40-A9-CF   40A9.CF
Block type
MA-L (16,777,216 addresses)
Address range
40:A9:CF:00:00:00 – 40:A9:CF:FF:FF:FF
Organization
Amazon Technologies Inc.
Registered address
P.O Box 8102, Reno NV 89507, US
Country
United States (US)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 40:A9:CF:00:00:00

Amazon Technologies Inc. holds 161 blocks in total: see all. Source: IEEE Registration Authority public listing.