macadress

FEI Electron Optics

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:0A:A7:00:00:00 /24
Vendor addressAchtseweg Noord 5 Eindhoven NL 5651GG
Country🇳🇱  Netherlands
RegisteredAug 3, 2002
Block range00:0A:A7:00:00:00– 00:0A:A7: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. Aug 3, 2002 – Sep 29, 2007 FEI Company name changedaddress changed
  2. Sep 29, 2007 – present FEI Electron Optics

Example addresses in this block

00:0A:A7:00:00:00 00:0A:A7:7F:FF:FF 00:0A:A7:FF:FF:FF

Where this block sits

Previous 00:0A:A6:00:00:00 /24 Hochiki Corporation Next 00:0A:A8:00:00:00 /24 ePipe Pty. Ltd.

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

FEI Electron Optics holds 1 registered blocks in the IEEE registry, ranking #12,578 of 33,421 organizations by block count.