macadress

Med-Eng Systems Inc.

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:1B:2D:00:00:00 /24
Vendor address2400 St. Laurent Blvd. Ottawa Ontario CA K1G 6C4
Country🇨🇦  Canada
RegisteredJan 21, 2007
Block range00:1B:2D:00:00:00– 00:1B:2D: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. Jan 21, 2007 – Jun 23, 2009 Private name changedaddress changedcountry changed
  2. Jun 23, 2009 – present Med-Eng Systems Inc.

Example addresses in this block

00:1B:2D:00:00:00 00:1B:2D:7F:FF:FF 00:1B:2D:FF:FF:FF

Where this block sits

Previous 00:1B:2C:00:00:00 /24 ATRON electronic GmbH Next 00:1B:2E:00:00:00 /24 Sinkyo Electron Inc

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

Med-Eng Systems Inc. holds 1 registered blocks in the IEEE registry, ranking #19,445 of 33,427 organizations by block count.