MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Grandstream Networks, Inc.
Grandstream Networks, Inc. , manages 3 unique MAC address prefixes. These prefixes are part of a massive allocation with a total block size of 50.3 million addresses.
The allocation includes the following types: MA-L (Mac Address Block Large, ~16 million addresses each).
The company registered its MAC address allocation on 14 October 2002, and the most recent update was made on 27 April 2022. These allocations support network identification and communication globally.
Unique prefixes: 3
Block Size: 50331645 (50.33 M)
First registration: 14 October 2002
Last updated: 27 April 2022
Types
MA-L:Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)