MAC Address Lookup

Find the vendor name of a device by entering an OUI or a MAC address


Keiyo System Research, Inc.

MAC prefix: 00:11:FE

Vendor name: Keiyo System Research, Inc.

MAC range: 00:11:FE:00:00:00 - 00:11:FE:FF:FF:FF

Block Size: 16777215 (16.77 M)


Hamada park Bldg. 6F
Chiba-city Chiba-pref 260-0028

Type MA-L

Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)

Initial registration: 04 August 2004

Last updated: 17 November 2015

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