macadress

Helmut Fischer GmbH Institut für Elektronik und Messtechnik

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:06:58:00:00:00 /24
Vendor addressIndustriestraße 21 DE
Country🇩🇪  Germany
RegisteredJun 4, 2001
Block range00:06:58:00:00:00– 00:06:58: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 4, 2001 – Jun 23, 2009 Helmut Fischer GmbH & Co. KG name changed
  2. Jun 23, 2009 – Nov 7, 2009 Helmut Fischer GmbH Institut für Elektronik und Messtechnik name changed
  3. Nov 7, 2009 – Feb 6, 2010 Helmut Fischer GmbH Institut für Elektronik und Messtechnik name changed
  4. Feb 6, 2010 – Aug 24, 2010 Helmut Fischer GmbH Institut für Elektronik und Messtechnik name changed
  5. Aug 24, 2010 – Aug 25, 2010 Helmut Fischer GmbH Institut für Elektronik und Messtechnik name changed
  6. Aug 25, 2010 – Nov 17, 2011 Helmut Fischer GmbH Institut für Elektronik und Messtechnik name changed
  7. Nov 17, 2011 – Nov 18, 2011 Helmut Fischer GmbH Institut für Elektronik und Messtechnik name changed
  8. Nov 18, 2011 – Sep 17, 2012 Helmut Fischer GmbH Institut für Elektronik und Messtechnik name changed
  9. Sep 17, 2012 – Nov 29, 2012 Helmut Fischer GmbH Institut für Elektronik und Messtechnik name changedaddress changed
  10. Nov 29, 2012 – Aug 27, 2015 Helmut Fischer GmbH Institut für Elektronik und Messtechnik name changedaddress changed
  11. Aug 27, 2015 – present Helmut Fischer GmbH Institut für Elektronik und Messtechnik

Example addresses in this block

00:06:58:00:00:00 00:06:58:7F:FF:FF 00:06:58:FF:FF:FF

Where this block sits

Previous 00:06:57:00:00:00 /24 Market Central, Inc. Next 00:06:59:00:00:00 /24 EAL (Apeldoorn) B.V.

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

Helmut Fischer GmbH Institut für Elektronik und Messtechnik holds 1 registered blocks in the IEEE registry, ranking #14,727 of 33,427 organizations by block count.