macadress

Hirschmann Multimedia B.V.

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:1A:7C:00:00:00 /24
Vendor addressPampuslaan 170 Weesp Noord-Holland NL 1382 JS
Country🇳🇱  Netherlands
RegisteredNov 29, 2006
Block range00:1A:7C:00:00:00– 00:1A:7C: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. Nov 29, 2006 – Oct 28, 2010 Hirschmann Automation and Control B.V. name changed
  2. Oct 28, 2010 – present Hirschmann Multimedia B.V.

Example addresses in this block

00:1A:7C:00:00:00 00:1A:7C:7F:FF:FF 00:1A:7C:FF:FF:FF

Where this block sits

Previous 00:1A:7B:00:00:00 /24 Teleco, Inc. Next 00:1A:7D:00:00:00 /24 cyber-blue(HK)Ltd

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

Hirschmann Multimedia B.V. holds 1 registered blocks in the IEEE registry, ranking #14,906 of 33,427 organizations by block count.