00:21:B9 Universal Devices Inc.
Every MAC address from 00:21:B9:00:00:00 to 00:21:B9:FF:FF:FF belongs to a block the IEEE assigned to Universal Devices Inc.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:21:B9 belongs to
Written 00:21:B9, 00-21-B9 or 0021B9, depending on the system. Look up a full address.
Prefix
00:21:B9
Organization
Universal Devices Inc.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:21:B9:00:00:00
Last address
00:21:B9:FF:FF:FF
Address type
Globally unique, unicast
Registered address
5353 Yarmouth Ave. #209 Encino CA US 91316