MAC Address Lookup

Find the vendor name of a device by entering an OUI or a MAC address


Amazon Technologies Inc.

OUI prefix: 4C:EF:C0

Vendor name: Amazon Technologies Inc.


P.O Box 8102
Reno NV 89507

Assignment Type MA-L

Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)

Initial registration: 12 November 2017

MAC Address Vendor Country US map