macadress

Iskra Sistemi d.d.

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:1B:DF:00:00:00 /24
Vendor addressStegne 21 Ljubljana Slovenia SI 1000
Country🇸🇮  Slovenia
RegisteredApr 8, 2007
Block range00:1B:DF:00:00:00– 00:1B:DF: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 8, 2007 – Mar 27, 2013 Iskra MIS name changedaddress changed
  2. Mar 27, 2013 – present Iskra Sistemi d.d.

Example addresses in this block

00:1B:DF:00:00:00 00:1B:DF:7F:FF:FF 00:1B:DF:FF:FF:FF

Where this block sits

Previous 00:1B:DE:00:00:00 /24 Renkus-Heinz, Inc. Next 00:1B:E0:00:00:00 /24 TELENOT ELECTRONIC GmbH

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

Iskra Sistemi d.d. holds 1 registered blocks in the IEEE registry, ranking #16,766 of 33,421 organizations by block count.