MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
JR
IEEE Registrant 2 Prefixes
Japan Radio Co., Ltd
Japan Radio Co., Ltd manages 2 unique MAC address prefixes. These prefixes have a total block size of 33.6 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 03 December 2015, and the most recent update was made on 13 February 2026. These allocations support network identification and communication globally.
Unique prefixes 2
Block Size 33554430 (33.55 M)
First registration 03 December 2015
Last updated 13 February 2026
Entity Details
Unique prefixes 2
Block Size 33554430 (33.55 M)
First registration 03 December 2015
Last updated 13 February 2026
Types
MA-L: Block Type
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)