macadress

m-u-t AG

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:07:51:00:00:00 /24
Vendor addressMessger盲te f眉r Medizin- und Umwelttechnik Wedel DE 22880
Country馃嚛馃嚜  Germany
RegisteredOct 24, 2001
Block range00:07:51:00:00:00– 00:07:51: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 24, 2001 – Sep 29, 2007 m.u.t. - GmbH name changedaddress changed
  2. Sep 29, 2007 – Nov 7, 2009 m路u路t AG name changedaddress changed
  3. Nov 7, 2009 – Feb 6, 2010 m脗路u脗路t AG name changedaddress changed
  4. Feb 6, 2010 – Aug 24, 2010 m路u路t AG name changedaddress changed
  5. Aug 24, 2010 – Aug 25, 2010 m脙聜脗路u脙聜脗路t AG name changedaddress changed
  6. Aug 25, 2010 – Nov 17, 2011 m路u路t AG name changedaddress changed
  7. Nov 17, 2011 – Feb 7, 2012 m脙聜脗路u脙聜脗路t AG name changedaddress changed
  8. Feb 7, 2012 – present m-u-t AG

Example addresses in this block

00:07:51:00:00:00 00:07:51:7F:FF:FF 00:07:51:FF:FF:FF

Where this block sits

Previous 00:07:50:00:00:00 /24 Cisco Systems, Inc Next 00:07:52:00:00:00 /24 Rhythm Watch Co., Ltd.

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

m-u-t AG holds 1 registered blocks in the IEEE registry, ranking #18,984 of 33,421 organizations by block count.