OUI Lookup
3c3556
Cognitec Systems GmbH
Manufacturer Information
- OUI Prefix
- 3c3556
- Manufacturer
- Cognitec Systems GmbH
- Address
- Großenhainer Str. 101 Dresden Saxony DE 01127
- Last updated
- 6/10/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 3C3556
The OUI prefix 3C3556 is assigned to Cognitec Systems GmbH, based in Großenhainer Str. 101 Dresden Saxony DE 01127 . 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 Cognitec Systems GmbH.