macadress

Riedo Networks Ltd

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
PrefixD4:66:A8:00:00:00 /24
Vendor addressRoute de la Fonderie 6 Fribourg CH 1700
Country🇨🇭  Switzerland
RegisteredMay 6, 2010
Block rangeD4:66:A8:00:00:00– D4:66:A8: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. May 6, 2010 – Nov 29, 2017 Riedo Networks GmbH name changedaddress changed
  2. Nov 29, 2017 – present Riedo Networks Ltd

Example addresses in this block

D4:66:A8:00:00:00 D4:66:A8:7F:FF:FF D4:66:A8:FF:FF:FF

Where this block sits

Riedo Networks Ltd holds 1 registered blocks in the IEEE registry, ranking #24,597 of 33,427 organizations by block count.