OUI Lookup
749975
IBM Corporation
Manufacturer Information
- OUI Prefix
- 749975
- Manufacturer
- IBM Corporation
- Address
- 4400 North First Street San Jose CA US 95134
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 2
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 749975
The OUI prefix 749975 is assigned to IBM Corporation, based in 4400 North First Street San Jose CA US 95134 . 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 Corporation.