Find the vendor name of a device by entering an OUI or a MAC address
Zhen Shi Information Technology (Shanghai) Co., Ltd.
Zhen Shi Information Technology (Shanghai) Co., Ltd. , 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 31 October 2019, and the most recent update was made on 27 April 2023. These allocations support network identification and communication globally.
Unique prefixes: 3
Block Size: 50331645 (50.33 M)
First registration: 31 October 2019
Last updated: 27 April 2023
MA-L: Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)