IBM JAPAN, FUJISAWA MT+D

Any device whose MAC address begins with 00:10:D9 has a network interface built by IBM JAPAN, FUJISAWA MT+D. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

00:10:D9

Organization

IBM JAPAN, FUJISAWA MT+D

Address

KIRIHARA-CHO 1, FUJISAWA CITY KANAGAWA 252 JP

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.