macadress

Roku, Inc.

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix08:05:81:00:00:00 /24
Vendor address12980 Saratoga Ave Saratoga CA US 95070
Country🇺🇸  United States
RegisteredJun 23, 2015
Block range08:05:81:00:00:00– 08:05:81: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

  1. Jun 23, 2015 – Nov 7, 2015 Roku, Inc name changedaddress changed
  2. Nov 7, 2015 – present Roku, Inc.

Example addresses in this block

08:05:81:00:00:00 08:05:81:7F:FF:FF 08:05:81: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 88:DE:A9:00:00:00 /24 MA-L 8A:C7:2E:00:00:00 /24 CID AC:3A:7A:00:00:00 /24 MA-L 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