OUI Lookup
0021b7
LEXMARK INTERNATIONAL, INC.
Manufacturer Information
- OUI Prefix
- 0021b7
- Manufacturer
- LEXMARK INTERNATIONAL, INC.
- Address
- 740 West New Circle Road Lexington KY US 40550
- Last updated
- 6/11/2026
Vendor Statistics
- Total prefixes
- 5
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 0021B7
The OUI prefix 0021B7 is assigned to LEXMARK INTERNATIONAL, INC., based in 740 West New Circle Road Lexington KY US 40550 . 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 LEXMARK INTERNATIONAL, INC..