OUI Lookup
40f2e9
IBM
Manufacturer Information
- OUI Prefix
- 40f2e9
- Manufacturer
- IBM
- Address
- 3039 E Cornwallis Rd Research Triangle Park NC US 27709
- Last updated
- 7/31/2026
Vendor Statistics
- Total prefixes
- 4
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 40F2E9
The OUI prefix 40F2E9 is assigned to IBM, based in 3039 E Cornwallis Rd Research Triangle Park NC US 27709 . 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 IBM.
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