MAC address 14:33:75: manufacturer Zyxel Communications Corporation
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Testar grátis 14 dias →The MAC address 14:33:75 (or 143375, without separators) identifies a device made by Zyxel Communications Corporation. Here is what that means and how to recognize devices on your network.
Who owns the MAC starting with 14:33:75?
The first three blocks of a MAC address form the OUI (Organizationally Unique Identifier), a code the IEEE assigns to each manufacturer. The prefix 14:33:75 is registered to Zyxel Communications Corporation. Any device whose MAC starts with 14:33:75 (for example, 14:33:75:1A: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 Zyxel Communications Corporation MAC you don't recognize could be a legitimate device (a phone, a TV, a camera) — or one that shouldn't be there. Zyxel Communications Corporation has 71 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 14:33:75?
The prefix 14:33:75 (143375) is registered with the IEEE to Zyxel Communications Corporation.
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 14:33:75 MAC from Zyxel Communications Corporation?
Yes. Any MAC starting with 14:33:75 was assigned to Zyxel Communications Corporation by the IEEE, though the final product may be sold under another brand.