MAC address 84:0F:2A: manufacturer Jiangxi Risound Electronics Co.,LTD
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Testar grátis 14 dias →The MAC address 84:0F:2A (or 840F2A, without separators) identifies a device made by Jiangxi Risound Electronics Co.,LTD. Here is what that means and how to recognize devices on your network.
Who owns the MAC starting with 84:0F:2A?
The first three blocks of a MAC address form the OUI (Organizationally Unique Identifier), a code the IEEE assigns to each manufacturer. The prefix 84:0F:2A is registered to Jiangxi Risound Electronics Co.,LTD. Any device whose MAC starts with 84:0F:2A (for example, 84:0F:2A: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 Jiangxi Risound Electronics Co.,LTD MAC you don't recognize could be a legitimate device (a phone, a TV, a camera) — or one that shouldn't be there. Jiangxi Risound Electronics Co.,LTD has 6 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 84:0F:2A?
The prefix 84:0F:2A (840F2A) is registered with the IEEE to Jiangxi Risound Electronics Co.,LTD.
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 84:0F:2A MAC from Jiangxi Risound Electronics Co.,LTD?
Yes. Any MAC starting with 84:0F:2A was assigned to Jiangxi Risound Electronics Co.,LTD by the IEEE, though the final product may be sold under another brand.