OUI Lookup
0090a9
WESTERN DIGITAL
Manufacturer Information
- OUI Prefix
- 0090a9
- Manufacturer
- WESTERN DIGITAL
- Address
- 1599 NORTH BROADWAY ROCHESTER MN US 55906
- Last updated
- 6/10/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 0090A9
The OUI prefix 0090A9 is assigned to WESTERN DIGITAL, based in 1599 NORTH BROADWAY ROCHESTER MN US 55906 . 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 WESTERN DIGITAL.