OUI Lookup
000403
Nexsi Corporation
Manufacturer Information
- OUI Prefix
- 000403
- Manufacturer
- Nexsi Corporation
- Address
- 1959 Concourse Drive San Jose CA US 95131
- Last updated
- 6/10/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 000403
The OUI prefix 000403 is assigned to Nexsi Corporation, based in 1959 Concourse Drive San Jose CA US 95131 . 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 Nexsi Corporation.