macadress

Werbeagentur Jürgen Siebert

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:C0:D5:00:00:00 /24
Vendor addressIm Klostergarten 8 D-50321 Brühl DE
Country🇩🇪  Germany
RegisteredApr 22, 1998
Block range00:C0:D5:00:00:00– 00:C0:D5: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. Apr 22, 1998 – Jun 23, 2009 QUANCOM ELECTRONIC GMBH name changedaddress changed
  2. Jun 23, 2009 – Nov 7, 2009 Werbeagentur Jürgen Siebert name changedaddress changed
  3. Nov 7, 2009 – Feb 6, 2010 Werbeagentur Jürgen Siebert name changedaddress changed
  4. Feb 6, 2010 – Aug 24, 2010 Werbeagentur Jürgen Siebert name changedaddress changed
  5. Aug 24, 2010 – Aug 25, 2010 Werbeagentur Jürgen Siebert name changedaddress changed
  6. Aug 25, 2010 – Nov 17, 2011 Werbeagentur Jürgen Siebert name changedaddress changed
  7. Nov 17, 2011 – Nov 18, 2011 Werbeagentur Jürgen Siebert name changedaddress changed
  8. Nov 18, 2011 – Sep 17, 2012 Werbeagentur Jürgen Siebert name changedaddress changed
  9. Sep 17, 2012 – Nov 29, 2012 Werbeagentur Jürgen Siebert name changedaddress changed
  10. Nov 29, 2012 – Aug 27, 2015 Werbeagentur Jürgen Siebert name changedaddress changed
  11. Aug 27, 2015 – present Werbeagentur Jürgen Siebert

Example addresses in this block

00:C0:D5:00:00:00 00:C0:D5:7F:FF:FF 00:C0:D5:FF:FF:FF

Where this block sits

Previous 00:C0:D4:00:00:00 /24 AXON NETWORKS, INC. Next 00:C0:D6:00:00:00 /24 J1 SYSTEMS, INC.

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

Werbeagentur Jürgen Siebert holds 1 registered blocks in the IEEE registry, ranking #32,085 of 33,427 organizations by block count.