OUI Lookup
dc9840
Microsoft Corporation
Manufacturer Information
- OUI Prefix
- dc9840
- Manufacturer
- Microsoft Corporation
- Address
- One Microsoft Way REDMOND US 98052
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 100
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix DC9840
The OUI prefix DC9840 is assigned to Microsoft Corporation, based in One Microsoft Way REDMOND US 98052 . 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 Microsoft Corporation.
Other prefixes from Microsoft Corporation
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