MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Shanghai Guao Electronic Technology Co., Ltd
MAC address prefix 28:DB:81 is registered to Shanghai Guao Electronic Technology Co., Ltd, located at No.6Alley 1225 TongPu RoadShanghai 200333CN.
This registration is classified as MA-L (Mac Address Block Large) containing approximately 16 million MAC addresses
The prefix was initially registered on 02 May 2013, with the most recent update made on 17 November 2015.
OUI: 28:DB:81
Vendor name: Shanghai Guao Electronic Technology Co., Ltd
Address:
Assignment Type MA-L No.6
Alley 1225 TongPu Road
Shanghai 200333
CN.
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Last updated: 17 November 2015
Initial registration: 02 May 2013
