ShangHai sunup lighting CO.,LTD

Any device whose MAC address begins with 78:B3:B9 has a network interface built by ShangHai sunup lighting 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

78:B3:B9

Organization

ShangHai sunup lighting CO.,LTD

Address

RM2508,Building 2,1077# Zu Chong Zhi Rd,Zhang Jiang Hi-Tech Park,Pudong New Area,ShangHai,China shanghai shanghai CN 201203

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.