MAC prefix 90:88:A9:3
Hangzhou Hollysys Automation Co., Ltd
| Vendor | Hangzhou Hollysys Automation Co., Ltd |
|---|---|
| Short name | HollysysAuto |
| Prefix | 90:88:A9:3/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | 90:88:A9:30:00:00 – 90:88:A9:3F:FF:FF |
| Notations | 90:88:A9:30:00:0090-88-A9-30-00-009088.a930.00009088A9300000 |
Frequently asked questions
Which vendor does MAC address 90:88:A9:3 belong to?
MAC addresses starting with 90:88:A9:3 are assigned to Hangzhou Hollysys Automation Co., Ltd according to the IEEE registry (prefix length 28 bits).
How many addresses does block 90:88:A9:3 contain?
The block contains 1,048,576 addresses from 90:88:A9:30:00:00 to 90:88:A9:3F:FF:FF.
Is 90:88:A9:3 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 Hangzhou Hollysys Automation Co., Ltd have?
Hangzhou Hollysys Automation Co., Ltd holds 2 registered prefixes in total – the full list is on the vendor page.