MAC address A4:A4:04: manufacturer Bubendorff SAS
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Testar grátis 14 dias →The MAC address A4:A4:04 (or A4A404, without separators) identifies a device made by Bubendorff SAS. Here is what that means and how to recognize devices on your network.
Who owns the MAC starting with A4:A4:04?
The first three blocks of a MAC address form the OUI (Organizationally Unique Identifier), a code the IEEE assigns to each manufacturer. The prefix A4:A4:04 is registered to Bubendorff SAS. Any device whose MAC starts with A4:A4:04 (for example, A4:A4:04:1A:2B:3C) was made by this company.
What it means to see this device on your network
Knowing the manufacturer helps identify what is connected to your Wi-Fi or company network. A Bubendorff SAS MAC you don't recognize could be a legitimate device (a phone, a TV, a camera) — or one that shouldn't be there.
How to see every device and vendor on your network
Looking up one MAC vendor at a time is tedious. Sentinela, by PC Monitor, automatically maps every device on your network, shows each one's vendor by MAC and flags suspicious devices and connections — running on your Windows. Meet Sentinela.
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Perguntas frequentes
Who owns MAC address A4:A4:04?
The prefix A4:A4:04 (A4A404) is registered with the IEEE to Bubendorff SAS.
What is the OUI of a MAC address?
It is the first three blocks of the MAC (6 hex digits), which the IEEE assigns to each manufacturer.
Is every A4:A4:04 MAC from Bubendorff SAS?
Yes. Any MAC starting with A4:A4:04 was assigned to Bubendorff SAS by the IEEE, though the final product may be sold under another brand.