MAC address 30:DD:AA: manufacturer ZHEJIANG DAHUA TECHNOLOGYCO.,LTD
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Testar grátis 14 dias →The MAC address 30:DD:AA (or 30DDAA, without separators) identifies a device made by ZHEJIANG DAHUA TECHNOLOGYCO.,LTD. Here is what that means and how to recognize devices on your network.
Who owns the MAC starting with 30:DD:AA?
The first three blocks of a MAC address form the OUI (Organizationally Unique Identifier), a code the IEEE assigns to each manufacturer. The prefix 30:DD:AA is registered to ZHEJIANG DAHUA TECHNOLOGYCO.,LTD. Any device whose MAC starts with 30:DD:AA (for example, 30:DD:AA:1A:2B:3C) was made by this company.
Which devices use the prefix 30:DD:AA
ZHEJIANG DAHUA TECHNOLOGYCO.,LTD works in segurança eletrônica. A device with a MAC starting with 30:DD:AA is usually something like câmeras e DVRs de vigilância. 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 ZHEJIANG DAHUA TECHNOLOGYCO.,LTD MAC you don't recognize could be a legitimate device (a phone, a TV, a camera) — or one that shouldn't be there. ZHEJIANG DAHUA TECHNOLOGYCO.,LTD has 4 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 30:DD:AA?
The prefix 30:DD:AA (30DDAA) is registered with the IEEE to ZHEJIANG DAHUA TECHNOLOGYCO.,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 30:DD:AA MAC from ZHEJIANG DAHUA TECHNOLOGYCO.,LTD?
Yes. Any MAC starting with 30:DD:AA was assigned to ZHEJIANG DAHUA TECHNOLOGYCO.,LTD by the IEEE, though the final product may be sold under another brand.