MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Guan Show Technologe Co., Ltd.
Unique prefixes: 9
Block Size: 36855 (36.85 k)
First registration: 14 June 2018
Last updated: 12 January 2021
MA-S: Mac Address Block Small (previously named OUI-36, encompasses IAB Assignments). Number of address 2^12 (4096)