OUI Lookup
3c3178
Qolsys Inc.
Manufacturer Information
- OUI Prefix
- 3c3178
- Manufacturer
- Qolsys Inc.
- Address
- 1900 The Alameda San Jose Ca US 95126
- Last updated
- 6/10/2026
Vendor Statistics
- Total prefixes
- 2
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 3C3178
The OUI prefix 3C3178 is assigned to Qolsys Inc., based in 1900 The Alameda San Jose Ca US 95126 . 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 Qolsys Inc..