MAC Address Lookup

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

Qolsys Inc.

OUI: 3C:31:78

Vendor name: Qolsys Inc.

Address:

1900 The Alameda
San Jose Ca 95126
US.

Assignment Type MA-L

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

Initial registration: 17 November 2015