OUI Lookup
00400c
GENERAL MICRO SYSTEMS, INC.
Manufacturer Information
- OUI Prefix
- 00400c
- Manufacturer
- GENERAL MICRO SYSTEMS, INC.
- Address
- P.O. BOX 3689 RANCHO CUCAMONGA CA US 91729
- Last updated
- 6/10/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 00400C
The OUI prefix 00400C is assigned to GENERAL MICRO SYSTEMS, INC., based in P.O. BOX 3689 RANCHO CUCAMONGA CA US 91729 . 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 GENERAL MICRO SYSTEMS, INC..