Acentic GmbH MAC prefix D4:C7:66: device identification Unknown
Summary
- // what this is
- Acentic is registered to MAC prefix
D4:C7:66in the IEEE OUI database. When a device's MAC address begins withD4:C7:66, that block was registered by Acentic — the OUI identifies the maker of the network hardware, which is not always the brand on the device. - // analyst note
- This MA-L assignment is 24 bits long, leaving 24 suffix bits and 16,777,216 possible suffix values. In first octet D4, the Group and Local bits are both 0 for this exact prefix; changing either bit produces a different prefix. Possible suffix values do not indicate device or shipment counts. A matching address supports the registry assignment only, not a particular device, operating system, deployment, or safety state.
About this vendor.
A MAC address beginning D4:C7:66 is registered to Acentic GmbH, but the supplied evidence does not identify a device category or show which products, if any, use this prefix. The registration identifies an IEEE assignment holder; by itself, it does not establish the device, its operator, deployment, or safety.
This is a 24-bit MA-L prefix, leaving 24 bits for suffix values. The first octet D4 has Group bit 0 and Local bit 0. Those bits are fixed for an exact prefix match; changing either bit changes the prefix. The 16,777,216 possible suffix values are an address-space count, not a count of devices or shipments.
For identification, compare the first three bytes exactly. A match supports attribution to the registered prefix, not identification of a particular product or device. Assignment dates are unavailable in these IEEE CSV records.
- Device category
- Unknown [Unknown] — https://standards-oui.ieee.org/oui/oui.csv
- Prefix match
- Exact first 24 bits,
D4:C7:66[Confirmed] — https://standards-oui.ieee.org/oui/oui.csv