MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
S.I. Soubou, Inc.
OUI prefix: 00:04:B9
Vendor name: S.I. Soubou, Inc.
Tokorozawa Sitama 359-0047
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Last updated: 17 November 2015
Initial registration: 04 December 2000