MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
ZS
IEEE Registrant 4 Prefixes
Zhen Shi Information Technology (Shanghai) Co., Ltd.
Zhen Shi Information Technology (Shanghai) Co., Ltd. manages 4 unique MAC address prefixes. These prefixes have a total block size of 67.1 million addresses.
The allocation includes the following types: MA-L(MAC Address Block Large, 16,777,216 addresses each).
The company registered its MAC address allocation on 31 October 2019, and the most recent update was made on 09 May 2025. These allocations support network identification and communication globally.
Unique prefixes 4
Block Size 67108860 (67.1 M)
First registration 31 October 2019
Last updated 09 May 2025
Entity Details
Unique prefixes 4
Block Size 67108860 (67.1 M)
First registration 31 October 2019
Last updated 09 May 2025
Types
MA-L: Block Type
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)