MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
PrefixB8:3A:9D:00:00:00 /24
Vendor address8281 Greensboro Dr., Suite 100 Tysons VA US 22102
Country🇺🇸 United States
RegisteredJun 16, 2015
Block rangeB8:3A:9D:00:00:00– B8:3A:9D:FF:FF:FF
Address capacity16,777,216
AdministrationUniversally administered: its prefix comes from a block registered through the IEEE Registration Authority
TransmissionUnicast: addressed to a single device
SourceIEEE Registration Authority
Address capacity is the size of this registered block, not a count of devices actually manufactured or online. Registration identifies the organization holding the block, not a specific device model or unit.
Curious how a prefix like this turns into a full address? See how MAC addresses are structured →
Ownership timeline
- Jun 16, 2015 – Jul 15, 2016 FIVE INTERACTIVE, LLC name changedaddress changed
- Jul 15, 2016 – present Alarm.com
Example addresses in this block
Where this block sits
Alarm.com holds 3 registered blocks in the IEEE registry, ranking #906 of 33,427 organizations by block count.
Other blocks registered to Alarm.com