macadress

corega K.K

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:26:87:00:00:00 /24
Vendor address1-19-20, Shinyokohama Yokohama-city Kanagawa-ken JP 222-0033
Country🇯🇵  Japan
RegisteredJun 21, 2009
Block range00:26:87:00:00:00– 00:26:87: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 21, 2009 – Jul 1, 2009 corega K.K. name changed
  2. Jul 1, 2009 – Oct 27, 2009 ALLIED TELESIS, K.K name changed
  3. Oct 27, 2009 – Feb 7, 2014 ALLIED TELESIS, K.K corega division. name changed
  4. Feb 7, 2014 – present corega K.K

Example addresses in this block

00:26:87:00:00:00 00:26:87:7F:FF:FF 00:26:87:FF:FF:FF

Where this block sits

Previous 00:26:86:00:00:00 /24 Quantenna Communcations, Inc. Next 00:26:88:00:00:00 /24 Juniper Networks

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

corega K.K holds 2 registered blocks in the IEEE registry, ranking #1,794 of 33,427 organizations by block count.

Other blocks registered to corega K.K

00:0A:79:00:00:00 /24 MA-L