MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Keiyo System Research, Inc.
Vendor name: Keiyo System Research, Inc.
Hamada park Bldg. 6F
Chiba-city Chiba-pref 260-0028
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Last updated: 17 November 2015
Initial registration: 04 August 2004