macadress

Vanderbilt International (SWE) AB

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:23:41:00:00:00 /24
Vendor addressEnglundavaegen 7 Solna SE SE-171 41
Country🇸🇪  Sweden
RegisteredOct 8, 2008
Block range00:23:41:00:00:00– 00:23:41: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 8, 2008 – Dec 23, 2010 Siemens Building Technologies Fire & Security Products GmbH & Co. oHG name changedaddress changed
  2. Dec 23, 2010 – Jan 25, 2012 Siemens AG name changedaddress changed
  3. Jan 25, 2012 – Dec 5, 2013 Siemens AG, Infrastructure & Cities Sector, Building Technologies Division name changedaddress changedcountry changed
  4. Dec 5, 2013 – Jun 9, 2016 Siemens AB, Infrastructure & Cities, Building Technologies Division, IC BT SSP SP BA PR name changedaddress changed
  5. Jun 9, 2016 – present Vanderbilt International (SWE) AB

Example addresses in this block

00:23:41:00:00:00 00:23:41:7F:FF:FF 00:23:41:FF:FF:FF

Where this block sits

Previous 00:23:40:00:00:00 /24 MiXTelematics Next 00:23:42:00:00:00 /24 Coffee Equipment Company

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

Vanderbilt International (SWE) AB holds 2 registered blocks in the IEEE registry, ranking #3,341 of 33,421 organizations by block count.

Other blocks registered to Vanderbilt International (SWE) AB

00:05:EE:00:00:00 /24 MA-L