Comtech Technology Co., Ltd.

Any device whose MAC address begins with 70:1D:7F has a network interface built by Comtech Technology Co., Ltd.. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address.

OUI prefix

70:1D:7F

Organization

Comtech Technology Co., Ltd.

Address

2F, No. 42, Sec. 3 Chung Yang Rd. New Taipei City TW 23673

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.