OUI Lookup
0c1b7b
Microsoft Corporation
Manufacturer Information
- OUI Prefix
- 0c1b7b
- Manufacturer
- Microsoft Corporation
- Address
- One Microsoft Way REDMOND WA US 98052
- Last updated
- 7/22/2026
Vendor Statistics
- Total prefixes
- 102
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 0C1B7B
The OUI prefix 0C1B7B is assigned to Microsoft Corporation, based in One Microsoft Way REDMOND WA 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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