macadress

iWise Communications

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:13:2D:00:00:00 /24
Vendor addressUnit 3C, Arden Grove Cape Town ZA 7441
Country🇿🇦  South Africa
RegisteredJan 15, 2005
Block range00:13:2D:00:00:00– 00:13:2D: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. Jan 15, 2005 – Feb 9, 2008 iWise Communications Pty Ltd name changedaddress changed
  2. Feb 9, 2008 – present iWise Communications

Example addresses in this block

00:13:2D:00:00:00 00:13:2D:7F:FF:FF 00:13:2D:FF:FF:FF

Where this block sits

Previous 00:13:2C:00:00:00 /24 MAZ Brandenburg GmbH Next 00:13:2E:00:00:00 /24 ITian Coporation

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

iWise Communications holds 1 registered blocks in the IEEE registry, ranking #16,909 of 33,421 organizations by block count.