MAC prefix A8:3F:A1:3
Guangzhou Tupu Internet Technology Co., Ltd.
| Vendor | Guangzhou Tupu Internet Technology Co., Ltd. |
|---|---|
| Short name | GuangzhouTup |
| Prefix | A8:3F:A1:3/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | A8:3F:A1:30:00:00 – A8:3F:A1:3F:FF:FF |
| Notations | A8:3F:A1:30:00:00A8-3F-A1-30-00-00a83f.a130.0000A83FA1300000 |
Frequently asked questions
Which vendor does MAC address A8:3F:A1:3 belong to?
MAC addresses starting with A8:3F:A1:3 are assigned to Guangzhou Tupu Internet Technology Co., Ltd. according to the IEEE registry (prefix length 28 bits).
How many addresses does block A8:3F:A1:3 contain?
The block contains 1,048,576 addresses from A8:3F:A1:30:00:00 to A8:3F:A1:3F:FF:FF.
Is A8:3F:A1:3 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.