MAC address A4:01:DE: manufacturer SERCOMM PHILIPPINES INC
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Testar grátis 14 dias →The MAC address A4:01:DE (or A401DE, without separators) identifies a device made by SERCOMM PHILIPPINES INC. Here is what that means and how to recognize devices on your network.
Who owns the MAC starting with A4:01:DE?
The first three blocks of a MAC address form the OUI (Organizationally Unique Identifier), a code the IEEE assigns to each manufacturer. The prefix A4:01:DE is registered to SERCOMM PHILIPPINES INC. Any device whose MAC starts with A4:01:DE (for example, A4:01:DE: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 SERCOMM PHILIPPINES INC MAC you don't recognize could be a legitimate device (a phone, a TV, a camera) — or one that shouldn't be there. SERCOMM PHILIPPINES INC has 8 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 A4:01:DE?
The prefix A4:01:DE (A401DE) is registered with the IEEE to SERCOMM PHILIPPINES 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 A4:01:DE MAC from SERCOMM PHILIPPINES INC?
Yes. Any MAC starting with A4:01:DE was assigned to SERCOMM PHILIPPINES INC by the IEEE, though the final product may be sold under another brand.