OUI Lookup
40f2e9
IBM
Manufacturer Information
- OUI Prefix
- 40f2e9
- Manufacturer
- IBM
- Address
- 3039 E Cornwallis Rd Research Triangle Park NC US 27709
- Last updated
- 6/8/2026
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.
Other prefixes from IBM
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