MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
AN
IEEE Registrant 5 Prefixes
Arista Network, Inc.
Arista Network, Inc. manages 5 unique MAC address prefixes. These prefixes have a total block size of 83.9 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 18 April 2019, and the most recent update was made on 20 February 2024. These allocations support network identification and communication globally.
Unique prefixes 5
Block Size 83886075 (83.88 M)
First registration 18 April 2019
Last updated 20 February 2024
Entity Details
Unique prefixes 5
Block Size 83886075 (83.88 M)
First registration 18 April 2019
Last updated 20 February 2024
Types
MA-L: Block Type
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)