MAC prefix A8:3F:A1:4

Zhejiang Wellsun Intelligent Technology Co.,Ltd.

VendorZhejiang Wellsun Intelligent Technology Co.,Ltd.
Short nameZhejiangWell
PrefixA8:3F:A1:4/28
Block typeMA-M (/28, 1,048,576 addresses)
Address rangeA8:3F:A1:40:00:00 – A8:3F:A1:4F:FF:FF
NotationsA8:3F:A1:40:00:00
A8-3F-A1-40-00-00
a83f.a140.0000
A83FA1400000

Frequently asked questions

Which vendor does MAC address A8:3F:A1:4 belong to?

MAC addresses starting with A8:3F:A1:4 are assigned to Zhejiang Wellsun Intelligent Technology Co.,Ltd. according to the IEEE registry (prefix length 28 bits).

How many addresses does block A8:3F:A1:4 contain?

The block contains 1,048,576 addresses from A8:3F:A1:40:00:00 to A8:3F:A1:4F:FF:FF.

Is A8:3F:A1:4 a unicast or multicast address?

The least significant bit of the first byte is 0 – it is a unicast address. The U/L bit is 0, so the address is globally unique (universally administered).

How do I find the MAC address of my device?

On Linux use ip link, on Windows getmac /v or ipconfig /all, on macOS ifconfig. Note: phones and recent operating systems often use random, locally administered addresses on Wi-Fi.

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