MAC address FC:7F:56: manufacturer CoSyst Control Systems GmbH
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Testar grátis 14 dias →The MAC address FC:7F:56 (or FC7F56, without separators) identifies a device made by CoSyst Control Systems GmbH. Here is what that means and how to recognize devices on your network.
Who owns the MAC starting with FC:7F:56?
The first three blocks of a MAC address form the OUI (Organizationally Unique Identifier), a code the IEEE assigns to each manufacturer. The prefix FC:7F:56 is registered to CoSyst Control Systems GmbH. Any device whose MAC starts with FC:7F:56 (for example, FC:7F:56:1A: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 CoSyst Control Systems GmbH 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 FC:7F:56?
The prefix FC:7F:56 (FC7F56) is registered with the IEEE to CoSyst Control Systems GmbH.
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 FC:7F:56 MAC from CoSyst Control Systems GmbH?
Yes. Any MAC starting with FC:7F:56 was assigned to CoSyst Control Systems GmbH by the IEEE, though the final product may be sold under another brand.