MAC prefix A4:A5:28
Sichuan Tianyi Comheart Telecom Co.,LTD
| Vendor | Sichuan Tianyi Comheart Telecom Co.,LTD |
|---|---|
| Short name | SichuanTiany |
| Prefix | A4:A5:28/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | A4:A5:28:00:00:00 – A4:A5:28:FF:FF:FF |
| Notations | A4:A5:28:00:00:00A4-A5-28-00-00-00a4a5.2800.0000A4A528000000 |
Frequently asked questions
Which vendor does MAC address A4:A5:28 belong to?
MAC addresses starting with A4:A5:28 are assigned to Sichuan Tianyi Comheart Telecom Co.,LTD according to the IEEE registry (prefix length 24 bits).
How many addresses does block A4:A5:28 contain?
The block contains 16,777,216 addresses from A4:A5:28:00:00:00 to A4:A5:28:FF:FF:FF.
Is A4:A5:28 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 Sichuan Tianyi Comheart Telecom Co.,LTD have?
Sichuan Tianyi Comheart Telecom Co.,LTD holds 91 registered prefixes in total – the full list is on the vendor page.