MAC Address Lookup

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

Siemens Numerical Control Ltd., Nanjing

Unique prefixes: 2

Block Size: 33554430 (33.55 M)

First registration: 09 April 2007

Last updated: 02 August 2022

Types

MA-L: Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)

MAC Prefix	Type	Registration Date
00:1C:06	MA-L	2007-04-09
E8:EF:22	MA-L	2022-08-02