Find the vendor name of a device by entering an OUI or a MAC address
VIETNAM POST AND TELECOMMUNICATION INDUSTRY TECHNOLOGY JOIN STOCK COMPANY
VIETNAM POST AND TELECOMMUNICATION INDUSTRY TECHNOLOGY JOIN STOCK COMPANY , 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 09 March 2023, and the most recent update was made on 22 April 2025. These allocations support network identification and communication globally.
Unique prefixes: 3
Block Size: 50331645 (50.33 M)
First registration: 09 March 2023
Last updated: 22 April 2025
MA-L:Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)