OUI Lookup
0021b9
Universal Devices Inc.
Manufacturer Information
- OUI Prefix
- 0021b9
- Manufacturer
- Universal Devices Inc.
- Address
- 5353 Yarmouth Ave. #209 Encino CA US 91316
- Last updated
- 6/11/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 0021B9
The OUI prefix 0021B9 is assigned to Universal Devices Inc., based in 5353 Yarmouth Ave. #209 Encino CA US 91316 . It is a MA-L type block of 24 bits (first three octets). Allows up to 16 million unique MAC addresses. If you find this prefix on your network, the devices belong to Universal Devices Inc..