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MAC prefix B8:3A:9D

Assigned by the IEEE to Alarm.com.

Prefix
B8:3A:9D   B8-3A-9D   B83A.9D
Block type
MA-L (16,777,216 addresses)
Address range
B8:3A:9D:00:00:00 – B8:3A:9D:FF:FF:FF
Organization
Alarm.com
Registered address
8281 Greensboro Dr., Suite 100, Tysons VA 22102, US
Country
United States (US)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up B8:3A:9D:00:00:00

Alarm.com holds 3 blocks in total: see all. Source: IEEE Registration Authority public listing.