Citadel Wallet LLC

Any device whose MAC address begins with 18:E8:3B has a network interface built by Citadel Wallet LLC. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

18:E8:3B

Organization

Citadel Wallet LLC

Address

221 North Broad Street, Suite 3A Middletown DE US 19709

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.