MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Active Brains
MAC address prefix 64:31:39:4 is registered to Active Brains, located at Yokohama Mitsui Bldg.12F1-1-2 TakashimaNishi-kuYokohama Kanagawa 220-0011JP.
This registration is classified as MA-M (Mac Address Block Medium) containing approximately 16 million MAC addresses
The prefix was initially registered on 25 September 2019, with the most recent update made on 25 May 2023.
OUI: 64:31:39:4
Vendor name: Active Brains
Address:
Assignment Type MA-M Yokohama Mitsui Bldg.12F
1-1-2 Takashima
Nishi-ku
Yokohama Kanagawa 220-0011
JP.
Mac Address Block Medium. Number of address 2^20 (~1 Million)
Last updated: 25 May 2023
Initial registration: 25 September 2019
