macadress

Hewlett Packard

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:22:64:00:00:00 /24
Vendor address20555 State Highway 249 Houston TX US 77070
Country🇺🇸  United States
RegisteredJun 18, 2008
Block range00:22:64:00:00:00– 00:22:64: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 18, 2008 – Jun 15, 2011 Hewlett Packard name changed
  2. Jun 15, 2011 – Oct 10, 2015 Hewlett-Packard Company name changedaddress changed
  3. Oct 10, 2015 – present Hewlett Packard

Example addresses in this block

00:22:64:00:00:00 00:22:64:7F:FF:FF 00:22:64:FF:FF:FF

Where this block sits

Previous 00:22:63:00:00:00 /24 Koos Technical Services, Inc. Next 00:22:65:00:00:00 /24 Nokia Danmark A/S

The nearest registered blocks of the same size on either side of this one in IEEE's address space.

Hewlett Packard holds 150 registered blocks in the IEEE registry, ranking #25 of 33,427 organizations by block count.

Other blocks registered to Hewlett Packard

00:01:E6:00:00:00 /24 MA-L 00:01:E7:00:00:00 /24 MA-L 00:02:A5:00:00:00 /24 MA-L 00:04:EA:00:00:00 /24 MA-L 00:08:02:00:00:00 /24 MA-L 00:08:83:00:00:00 /24 MA-L 00:08:C7:00:00:00 /24 MA-L 00:0A:57:00:00:00 /24 MA-L 00:0B:CD:00:00:00 /24 MA-L 00:0D:9D:00:00:00 /24 MA-L 00:0E:7F:00:00:00 /24 MA-L 00:0E:B3:00:00:00 /24 MA-L