MAC prefix 28:7C:DB
Hefei Toycloud Technology Co.,ltd
| Vendor | Hefei Toycloud Technology Co.,ltd |
|---|---|
| Short name | HefeiToyclou |
| Prefix | 28:7C:DB/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 28:7C:DB:00:00:00 – 28:7C:DB:FF:FF:FF |
| Notations | 28:7C:DB:00:00:0028-7C-DB-00-00-00287c.db00.0000287CDB000000 |
Frequently asked questions
Which vendor does MAC address 28:7C:DB belong to?
MAC addresses starting with 28:7C:DB are assigned to Hefei Toycloud Technology Co.,ltd according to the IEEE registry (prefix length 24 bits).
How many addresses does block 28:7C:DB contain?
The block contains 16,777,216 addresses from 28:7C:DB:00:00:00 to 28:7C:DB:FF:FF:FF.
Is 28:7C:DB 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.