Shenzhen Neoway Technology Co.,Ltd.

Any device whose MAC address begins with B4:77:48 has a network interface built by Shenzhen Neoway 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

B4:77:48

Organization

Shenzhen Neoway Technology Co.,Ltd.

Address

Room 4401, Building 1, Huide Tower, Beizhan Community, Minzhi Sub-district, Longhua District Shenzhen Guangdong CN 518000

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.