NIRIT- Xinwei Telecom Technology Co., Ltd.

Any device whose MAC address begins with 04:45:A1 has a network interface built by NIRIT- Xinwei Telecom 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

04:45:A1

Organization

NIRIT- Xinwei Telecom Technology Co., Ltd.

Address

2-? ??????????? ??????, ?.12, ???.2 Moscow RU 115432

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.