MAC address B4:DD:15: manufacturer ControlThings Oy Ab
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Testar grátis 14 dias →The MAC address B4:DD:15 (or B4DD15, without separators) identifies a device made by ControlThings Oy Ab. Here is what that means and how to recognize devices on your network.
Who owns the MAC starting with B4:DD:15?
The first three blocks of a MAC address form the OUI (Organizationally Unique Identifier), a code the IEEE assigns to each manufacturer. The prefix B4:DD:15 is registered to ControlThings Oy Ab. Any device whose MAC starts with B4:DD:15 (for example, B4:DD:15:1A: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 ControlThings Oy Ab 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 B4:DD:15?
The prefix B4:DD:15 (B4DD15) is registered with the IEEE to ControlThings Oy Ab.
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 B4:DD:15 MAC from ControlThings Oy Ab?
Yes. Any MAC starting with B4:DD:15 was assigned to ControlThings Oy Ab by the IEEE, though the final product may be sold under another brand.