MAC prefix 38:A8:CD:B
Qingdao Hisense Hitachi Air-conditioning Systems Co.,Ltd.
| Vendor | Qingdao Hisense Hitachi Air-conditioning Systems Co.,Ltd. |
|---|---|
| Short name | QingdaoHisen |
| Prefix | 38:A8:CD:B/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | 38:A8:CD:B0:00:00 – 38:A8:CD:BF:FF:FF |
| Notations | 38:A8:CD:B0:00:0038-A8-CD-B0-00-0038a8.cdb0.000038A8CDB00000 |
Frequently asked questions
Which vendor does MAC address 38:A8:CD:B belong to?
MAC addresses starting with 38:A8:CD:B are assigned to Qingdao Hisense Hitachi Air-conditioning Systems Co.,Ltd. according to the IEEE registry (prefix length 28 bits).
How many addresses does block 38:A8:CD:B contain?
The block contains 1,048,576 addresses from 38:A8:CD:B0:00:00 to 38:A8:CD:BF:FF:FF.
Is 38:A8:CD:B 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.