Roku, Inc.

MA-L

MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.

PrefixAC:3A:7A:00:00:00 /24

Vendor address12980 Saratoga Ave Saratoga US 95070

RegisteredAug 5, 2014

Block rangeAC:3A:7A:00:00:00– AC:3A:7A: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

Aug 5, 2014 – Nov 7, 2015 Roku name changedaddress changed
Nov 7, 2015 – present Roku, Inc.

Example addresses in this block

AC:3A:7A:00:00:00 AC:3A:7A:7F:FF:FF AC:3A:7A:FF:FF:FF

Where this block sits

Roku, Inc holds 32 registered blocks in the IEEE registry, ranking #109 of 33,427 organizations by block count.

Other blocks registered to Roku, Inc.

00:0D:4B:00:00:00 /24 MA-L 08:05:81:00:00:00 /24 MA-L 88:DE:A9:00:00:00 /24 MA-L 8A:C7:2E:00:00:00 /24 CID B0:A7:37:00:00:00 /24 MA-L B8:3E:59:00:00:00 /24 MA-L B8:A1:75:00:00:00 /24 MA-L CC:6D:A0:00:00:00 /24 MA-L D0:4D:2C:00:00:00 /24 MA-L DC:3A:5E:00:00:00 /24 MA-L