macadress

Sentyron B.V

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix0C:E7:09:00:00:00 /24
Vendor addressP.O. box 638 Delft ZH NL 2600 AP
Country🇳🇱  Netherlands
RegisteredAug 12, 2009
Block range0C:E7:09:00:00:00– 0C:E7:09: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 12, 2009 – Nov 17, 2025 Fox Crypto B.V. name changedcountry changed
  2. Nov 17, 2025 – present Sentyron B.V

Example addresses in this block

0C:E7:09:00:00:00 0C:E7:09:7F:FF:FF 0C:E7:09:FF:FF:FF

Where this block sits

Sentyron B.V holds 1 registered blocks in the IEEE registry, ranking #25,728 of 33,427 organizations by block count.