MAC Address Lookup

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


Active Silicon Ltd

OUI prefix: 00:05:91

Vendor name: Active Silicon Ltd


Pinewood Mews
Iver SL0 0NA

Assignment Type MA-L

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

Last updated: 17 November 2015

Initial registration: 04 June 2001

MAC Address Vendor Country GB map