MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
SE
IEEE Registrant 8 Prefixes
Sumitomo Electric Industries, Ltd
Sumitomo Electric Industries, Ltd manages 8 unique MAC address prefixes. These prefixes have a total block size of 134.2 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 22 April 1998, and the most recent update was made on 27 June 2025. These allocations support network identification and communication globally.
Unique prefixes 8
Block Size 134217720 (134.21 M)
First registration 22 April 1998
Last updated 27 June 2025
Entity Details
Unique prefixes 8
Block Size 134217720 (134.21 M)
First registration 22 April 1998
Last updated 27 June 2025
Types
MA-L: Block Type
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)Registered MAC Prefixes
All Organizationally Unique Identifiers and MAC ranges assigned to this vendor