MAC prefix B4:D0:A9
China Mobile Group Device Co.,Ltd.
| Vendor | China Mobile Group Device Co.,Ltd. |
|---|---|
| Short name | ChinaMobileG |
| Prefix | B4:D0:A9/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | B4:D0:A9:00:00:00 – B4:D0:A9:FF:FF:FF |
| Notations | B4:D0:A9:00:00:00B4-D0-A9-00-00-00b4d0.a900.0000B4D0A9000000 |
Frequently asked questions
Which vendor does MAC address B4:D0:A9 belong to?
MAC addresses starting with B4:D0:A9 are assigned to China Mobile Group Device Co.,Ltd. according to the IEEE registry (prefix length 24 bits).
How many addresses does block B4:D0:A9 contain?
The block contains 16,777,216 addresses from B4:D0:A9:00:00:00 to B4:D0:A9:FF:FF:FF.
Is B4:D0:A9 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 China Mobile Group Device Co.,Ltd. have?
China Mobile Group Device Co.,Ltd. holds 77 registered prefixes in total – the full list is on the vendor page.