00:05:28 New Focus, Inc.
Every MAC address from 00:05:28:00:00:00 to 00:05:28:FF:FF:FF belongs to a block the IEEE assigned to New Focus, Inc.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:05:28 belongs to
Written 00:05:28, 00-05-28 or 000528, depending on the system. Look up a full address.
Prefix
00:05:28
Organization
New Focus, Inc.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:05:28:00:00:00
Last address
00:05:28:FF:FF:FF
Address type
Globally unique, unicast
Registered address
2630 Walsh Ave. Santa Clara CA US 95051