MAC address 00:18:3F: manufacturer 2Wire Inc
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Testar grátis 14 dias →The MAC address 00:18:3F (or 00183F, without separators) identifies a device made by 2Wire Inc. Here is what that means and how to recognize devices on your network.
Who owns the MAC starting with 00:18:3F?
The first three blocks of a MAC address form the OUI (Organizationally Unique Identifier), a code the IEEE assigns to each manufacturer. The prefix 00:18:3F is registered to 2Wire Inc. Any device whose MAC starts with 00:18:3F (for example, 00:18:3F: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 2Wire Inc MAC you don't recognize could be a legitimate device (a phone, a TV, a camera) — or one that shouldn't be there. 2Wire Inc has 34 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 00:18:3F?
The prefix 00:18:3F (00183F) is registered with the IEEE to 2Wire 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 00:18:3F MAC from 2Wire Inc?
Yes. Any MAC starting with 00:18:3F was assigned to 2Wire Inc by the IEEE, though the final product may be sold under another brand.