MAC Address Lookup

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


New Focus, Inc.

MAC prefix: 00:05:28

Vendor name: New Focus, Inc.

MAC range: 00:05:28:00:00:00 - 00:05:28:FF:FF:FF

Block Size: 16777215 (16.77 M)


2630 Walsh Ave.
Santa Clara CA 95051

Type MA-L

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

Initial registration: 02 February 2001

Last updated: 17 November 2015

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