MAC address FC:B5:77: manufacturer Cortex Security Inc
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Testar grátis 14 dias →The MAC address FC:B5:77 (or FCB577, without separators) identifies a device made by Cortex Security Inc. Here is what that means and how to recognize devices on your network.
Who owns the MAC starting with FC:B5:77?
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:B5:77 is registered to Cortex Security Inc. Any device whose MAC starts with FC:B5:77 (for example, FC:B5:77:1A: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 Cortex Security Inc 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:B5:77?
The prefix FC:B5:77 (FCB577) is registered with the IEEE to Cortex Security Inc.
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:B5:77 MAC from Cortex Security Inc?
Yes. Any MAC starting with FC:B5:77 was assigned to Cortex Security Inc by the IEEE, though the final product may be sold under another brand.