macadress

Datasoft ISDN Systems GmbH

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:09:76:00:00:00 /24
Vendor addressSchillerplatz 3 St. Poelten Lower Austria AT 3100
Country🇦🇹  Austria
RegisteredMar 29, 2002
Block range00:09:76:00:00:00– 00:09:76: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. Mar 29, 2002 – Feb 12, 2004 Private name changedaddress changedcountry changed
  2. Feb 12, 2004 – present Datasoft ISDN Systems GmbH

Example addresses in this block

00:09:76:00:00:00 00:09:76:7F:FF:FF 00:09:76:FF:FF:FF

Where this block sits

Previous 00:09:75:00:00:00 /24 fSONA Communications Corporation Next 00:09:77:00:00:00 /24 Brunner Elektronik AG

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

Datasoft ISDN Systems GmbH holds 1 registered blocks in the IEEE registry, ranking #9,917 of 33,427 organizations by block count.