OUI Lookup
000a40
Crown Audio -- Harmanm International
Manufacturer Information
- OUI Prefix
- 000a40
- Manufacturer
- Crown Audio -- Harmanm International
- Address
- 1718 W. Mishawaka Rd Elkhart IN US 46517
- Last updated
- 6/11/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 000A40
The OUI prefix 000A40 is assigned to Crown Audio -- Harmanm International, based in 1718 W. Mishawaka Rd Elkhart IN US 46517 . 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 Crown Audio -- Harmanm International.