macadress

2Wire Inc

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:12:88:00:00:00 /24
Vendor address1704 Automation Parkway San Jose CA US 94538
Country🇺🇸  United States
RegisteredOct 10, 2004
Block range00:12:88:00:00:00– 00:12:88: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. Oct 10, 2004 – Oct 17, 2015 2Wire, Inc name changedaddress changed
  2. Oct 17, 2015 – present 2Wire Inc

Example addresses in this block

00:12:88:00:00:00 00:12:88:7F:FF:FF 00:12:88:FF:FF:FF

Where this block sits

Previous 00:12:87:00:00:00 /24 Digital Everywhere Unterhaltungselektronik GmbH Next 00:12:89:00:00:00 /24 Advance Sterilization Products

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

2Wire Inc holds 34 registered blocks in the IEEE registry, ranking #102 of 33,421 organizations by block count.

Other blocks registered to 2Wire Inc

00:0D:72:00:00:00 /24 MA-L 00:14:95:00:00:00 /24 MA-L 00:18:3F:00:00:00 /24 MA-L 00:19:E4:00:00:00 /24 MA-L 00:1A:C4:00:00:00 /24 MA-L 00:1B:5B:00:00:00 /24 MA-L 00:1D:5A:00:00:00 /24 MA-L 00:1E:C7:00:00:00 /24 MA-L 00:1F:B3:00:00:00 /24 MA-L 00:21:7C:00:00:00 /24 MA-L 00:22:A4:00:00:00 /24 MA-L 00:23:51:00:00:00 /24 MA-L