OUI Lookup
40cd3a
Z3 Technology
Manufacturer Information
- OUI Prefix
- 40cd3a
- Manufacturer
- Z3 Technology
- Address
- 2720 Harrison St Evanston IL US 60201
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 40CD3A
The OUI prefix 40CD3A is assigned to Z3 Technology, based in 2720 Harrison St Evanston IL US 60201 . 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 Z3 Technology.