AHN INC. MAC Prefix D8:81:CE: registered vendor; device type unknown
Summary
- // what this is
- AHN is registered to MAC prefix
D8:81:CEin the IEEE OUI database. When a device's MAC address begins withD8:81:CE, that block was registered by AHN — the OUI identifies the maker of the network hardware, which is not always the brand on the device. - // analyst note
- A prefix match identifies an IEEE registry assignment, not a particular device, product, operating system, current legal identity, or security state.
About this vendor.
A MAC address beginning D8:81:CE matches the IEEE MA-L assignment to AHN INC.; the supplied evidence does not identify a device category for this prefix. An address match identifies the registry assignment, not a particular device, product, operating system, current legal identity, or security state.
The assignment is 24 bits long, leaving 24 bits for suffix values: 16,777,216 possible values. That is an arithmetic range, not a count of devices or shipments. The exact prefix has Group bit 0 and Local bit 0. RFC 7042 explains that these bits have distinct roles in MAC addresses; changing either bit changes the prefix and no longer matches this exact assignment.
The supplied IEEE CSV record gives no assignment date. Its address includes a country indication for South Korea, but no company catalog, product, industry, official website, or direct device mapping is supplied.
- Device type
- Unknown; no device category is mapped to this exact prefix.
- Company
- AHN INC. [Confirmed] — https://standards-oui.ieee.org/oui/oui.csv
- Registry
- MA-L [Confirmed] — https://standards-oui.ieee.org/oui/oui.csv
- Prefix
D8:81:CE[Confirmed] — https://standards-oui.ieee.org/oui/oui.csv- Country
- South Korea [Confirmed] — https://standards-oui.ieee.org/oui/oui.csv
- Device type
- Unknown [Unknown] — https://standards-oui.ieee.org/oui/oui.csv