MAC address 00:00:51: manufacturer HOB ELECTRONIC GMBH & CO. KG
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Testar grátis 14 dias →The MAC address 00:00:51 (or 000051, without separators) identifies a device made by HOB ELECTRONIC GMBH & CO. KG. Here is what that means and how to recognize devices on your network.
Who owns the MAC starting with 00:00:51?
The first three blocks of a MAC address form the OUI (Organizationally Unique Identifier), a code the IEEE assigns to each manufacturer. The prefix 00:00:51 is registered to HOB ELECTRONIC GMBH & CO. KG. Any device whose MAC starts with 00:00:51 (for example, 00:00:51:1A: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 HOB ELECTRONIC GMBH & CO. KG MAC you don't recognize could be a legitimate device (a phone, a TV, a camera) — or one that shouldn't be there.
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 00:00:51?
The prefix 00:00:51 (000051) is registered with the IEEE to HOB ELECTRONIC GMBH & CO. KG.
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 00:00:51 MAC from HOB ELECTRONIC GMBH & CO. KG?
Yes. Any MAC starting with 00:00:51 was assigned to HOB ELECTRONIC GMBH & CO. KG by the IEEE, though the final product may be sold under another brand.