TTC Next-generation Home Network System WG

Any device whose MAC address begins with E0:27:1A has a network interface built by TTC Next-generation Home Network System WG. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

E0:27:1A

Organization

TTC Next-generation Home Network System WG

Address

1-1-12 Shiba Kouen Minato-ku Tokyo JP 105-0011

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.