macadress

Pulsar-Telecom LLC.

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:18:45:00:00:00 /24
Vendor addressZaharova, 18a Penza RU 440044
Country🇷🇺  Russia
RegisteredJun 13, 2006
Block range00:18:45:00:00:00– 00:18:45: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. Jun 13, 2006 – Mar 29, 2013 NPL Pulsar Ltd. name changed
  2. Mar 29, 2013 – present Pulsar-Telecom LLC.

Example addresses in this block

00:18:45:00:00:00 00:18:45:7F:FF:FF 00:18:45:FF:FF:FF

Where this block sits

Previous 00:18:44:00:00:00 /24 Heads Up Technologies, Inc. Next 00:18:46:00:00:00 /24 Crypto S.A.

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

Pulsar-Telecom LLC. holds 1 registered blocks in the IEEE registry, ranking #23,710 of 33,427 organizations by block count.