macadress

Opti-cell, Inc.

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:0D:95:00:00:00 /24
Vendor address100 High Tower Blvd., Suite 301 Pittsburgh PA US 15205
Country🇺🇸  United States
RegisteredJul 23, 2003
Block range00:0D:95:00:00:00– 00:0D:95: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. Jul 23, 2003 – Jun 15, 2004 Private name changedaddress changedcountry changed
  2. Jun 15, 2004 – present Opti-cell, Inc.

Example addresses in this block

00:0D:95:00:00:00 00:0D:95:7F:FF:FF 00:0D:95:FF:FF:FF

Where this block sits

Previous 00:0D:94:00:00:00 /24 AFAR Communications,Inc Next 00:0D:96:00:00:00 /24 Vtera Technology Inc.

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

Opti-cell, Inc. holds 1 registered blocks in the IEEE registry, ranking #22,157 of 33,427 organizations by block count.