MAC address 84:B2:61: manufacturer Cisco Systems, Inc
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Testar grátis 14 dias →The MAC address 84:B2:61 (or 84B261, without separators) identifies a device made by Cisco Systems, Inc. Here is what that means and how to recognize devices on your network.
Who owns the MAC starting with 84:B2:61?
The first three blocks of a MAC address form the OUI (Organizationally Unique Identifier), a code the IEEE assigns to each manufacturer. The prefix 84:B2:61 is registered to Cisco Systems, Inc. Any device whose MAC starts with 84:B2:61 (for example, 84:B2:61:1A:2B:3C) was made by this company.
Which devices use the prefix 84:B2:61
Cisco Systems, Inc works in equipamentos de rede corporativa. A device with a MAC starting with 84:B2:61 is usually something like switches, roteadores, access points e telefones IP. Confirm by the device name on your network.
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 Cisco Systems, Inc MAC you don't recognize could be a legitimate device (a phone, a TV, a camera) — or one that shouldn't be there. Cisco Systems, Inc has 1251 MAC prefixes registered with the IEEE (see others under "Read also").
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 84:B2:61?
The prefix 84:B2:61 (84B261) is registered with the IEEE to Cisco Systems, 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 84:B2:61 MAC from Cisco Systems, Inc?
Yes. Any MAC starting with 84:B2:61 was assigned to Cisco Systems, Inc by the IEEE, though the final product may be sold under another brand.