MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:19:99:00:00:00 /24
Vendor addressBuergermeister-Ulrich-Strasse 100 Augsburg DE 86199
Country🇩🇪 Germany
RegisteredSep 25, 2006
Block range00:19:99:00:00:00– 00:19:99: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
- Sep 25, 2006 – Jun 23, 2009 Fujitsu Siemens Computers name changed
- Jun 23, 2009 – Nov 7, 2015 Fujitsu Technology Solutions name changedaddress changed
- Nov 7, 2015 – present Fujitsu Technology Solutions GmbH
Example addresses in this block
Where this block sits
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Fujitsu Technology Solutions GmbH holds 3 registered blocks in the IEEE registry, ranking #1,056 of 33,427 organizations by block count.
Other blocks registered to Fujitsu Technology Solutions GmbH