OUI Lookup
e4fb1e
Microsoft Corporation
Manufacturer Information
- OUI Prefix
- e4fb1e
- Manufacturer
- Microsoft Corporation
- Address
- One Microsoft Way REDMOND WA US 98052
- Last updated
- 6/19/2026
Vendor Statistics
- Total prefixes
- 100
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix E4FB1E
The OUI prefix E4FB1E 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.
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