MAC address A0:C2:DE: manufacturer Costar Video Systems
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Testar grátis 14 dias →The MAC address A0:C2:DE (or A0C2DE, without separators) identifies a device made by Costar Video Systems. Here is what that means and how to recognize devices on your network.
Who owns the MAC starting with A0:C2:DE?
The first three blocks of a MAC address form the OUI (Organizationally Unique Identifier), a code the IEEE assigns to each manufacturer. The prefix A0:C2:DE is registered to Costar Video Systems. Any device whose MAC starts with A0:C2:DE (for example, A0:C2:DE: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 Costar Video Systems 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 A0:C2:DE?
The prefix A0:C2:DE (A0C2DE) is registered with the IEEE to Costar Video Systems.
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 A0:C2:DE MAC from Costar Video Systems?
Yes. Any MAC starting with A0:C2:DE was assigned to Costar Video Systems by the IEEE, though the final product may be sold under another brand.