MAC Address Lookup

Find the vendor name of a device by entering an OUI or a MAC address

 Vendor

Grandstream Networks, Inc.

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)

MAC PrefixTypeRegistration Date
00:0B:82MA-L2002-10-14
C0:74:ADMA-L2018-06-29
EC:74:D7MA-L2022-04-27