OUI Lookup
0018b1
IBM Corp
Manufacturer Information
- OUI Prefix
- 0018b1
- Manufacturer
- IBM Corp
- Address
- 2051 Mission College Blvd Santa Clara CA US 95054
- Last updated
- 6/10/2026
Vendor Statistics
- Total prefixes
- 22
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 0018B1
The OUI prefix 0018B1 is assigned to IBM Corp, based in 2051 Mission College Blvd Santa Clara CA US 95054 . 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 Corp.
Other prefixes from IBM Corp
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