OUI Lookup
000409
Cratos Networks
Manufacturer Information
- OUI Prefix
- 000409
- Manufacturer
- Cratos Networks
- Address
- 313 Littleton Road Chelmsford MA US 01824
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 000409
The OUI prefix 000409 is assigned to Cratos Networks, based in 313 Littleton Road Chelmsford MA US 01824 . 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 Cratos Networks.