MAC prefix 80:BF:21
vivo Mobile Communication Co., Ltd.
| Vendor | vivo Mobile Communication Co., Ltd. |
|---|---|
| Short name | vivoMobileCo |
| Prefix | 80:BF:21/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 80:BF:21:00:00:00 – 80:BF:21:FF:FF:FF |
| Notations | 80:BF:21:00:00:0080-BF-21-00-00-0080bf.2100.000080BF21000000 |
Frequently asked questions
Which vendor does MAC address 80:BF:21 belong to?
MAC addresses starting with 80:BF:21 are assigned to vivo Mobile Communication Co., Ltd. according to the IEEE registry (prefix length 24 bits).
How many addresses does block 80:BF:21 contain?
The block contains 16,777,216 addresses from 80:BF:21:00:00:00 to 80:BF:21:FF:FF:FF.
Is 80:BF:21 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.
Which other MAC prefixes does vivo Mobile Communication Co., Ltd. have?
vivo Mobile Communication Co., Ltd. holds 170 registered prefixes in total – the full list is on the vendor page.