OUI Lookup
b83a9d
Alarm.com
Manufacturer Information
- OUI Prefix
- b83a9d
- Manufacturer
- Alarm.com
- Address
- 8281 Greensboro Dr., Suite 100 Tysons VA US 22102
- Last updated
- 6/9/2026
Vendor Statistics
- Total prefixes
- 3
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix B83A9D
The OUI prefix B83A9D is assigned to Alarm.com, based in 8281 Greensboro Dr., Suite 100 Tysons VA US 22102 . 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 Alarm.com.