aizo ag MAC Prefix: Vendor Identified, Device Unknown
Summary
- // what this is
- aizo is registered to MAC prefix
A8:99:5Cin the IEEE OUI database. When a device's MAC address begins withA8:99:5C, that block was registered by aizo — the OUI identifies the maker of the network hardware, which is not always the brand on the device. - // analyst note
- An exact match establishes the aizo ag MA-L registry assignment for this 24-bit prefix. The first-byte Group and Local bits are both zero and fixed for this literal prefix; changing either bit yields a different prefix. The remaining 24 bits have 16,777,216 possible suffix values, not an observed device or shipment count. Registry assignment alone does not establish deployment, product, or safety.
About this vendor.
A MAC address beginning with A8:99:5C matches an IEEE MA-L assignment to aizo ag; the assignment does not identify a specific device. The supplied IEEE record contains one full prefix, A8:99:5C, with a 24-bit matching boundary. No supplied first-party source establishes a product, device category, industry, website, or current organizational status for this legal entity.
For this prefix, the first octet is A8 (binary 10101000). Its Group bit, bit 0, is 0, and its Local bit, bit 1, is 0. These bits are fixed in an exact prefix match. Turning either bit on changes the prefix, so addresses with those changed bits do not match this literal assignment.
The 24-bit prefix leaves 24 bits, or 16,777,216 possible suffix values. That is a count of possible values, not evidence of how many devices were made, shipped, or observed. A match supports the registry assignment only; it does not establish deployment, traffic prevalence, product, operating system, or security state. IEEE CSV records supplied here show no assignment date.
- Prefix
A8:99:5C(MA-L, 24-bit match) [Confirmed] — https://standards-oui.ieee.org/oui/oui.csv- Device identification
- Specific device category is Unknown [Unknown] — https://standards-oui.ieee.org/oui/oui.csv