Amazon Technologies Inc.
Any device whose MAC address begins with 74:D4:23 has a network interface built by Amazon Technologies Inc.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.
- OUI prefix
- 74:D4:23
- Organization
- Amazon Technologies Inc.
- Address
- P.O Box 8102 Reno NV US 89507
- Source
- IEEE OUI registry
Have a full MAC address? Look it up— we'll also tell you if it's a randomized (private) address rather than a real manufacturer prefix.