MAC prefix AC:B5:66
Renesas Electronics (Penang) Sdn. Bhd.
| Vendor | Renesas Electronics (Penang) Sdn. Bhd. |
|---|---|
| Short name | RenesasElect |
| Prefix | AC:B5:66/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | AC:B5:66:00:00:00 – AC:B5:66:FF:FF:FF |
| Notations | AC:B5:66:00:00:00AC-B5-66-00-00-00acb5.6600.0000ACB566000000 |
Frequently asked questions
Which vendor does MAC address AC:B5:66 belong to?
MAC addresses starting with AC:B5:66 are assigned to Renesas Electronics (Penang) Sdn. Bhd. according to the IEEE registry (prefix length 24 bits).
How many addresses does block AC:B5:66 contain?
The block contains 16,777,216 addresses from AC:B5:66:00:00:00 to AC:B5:66:FF:FF:FF.
Is AC:B5:66 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 Renesas Electronics (Penang) Sdn. Bhd. have?
Renesas Electronics (Penang) Sdn. Bhd. holds 26 registered prefixes in total – the full list is on the vendor page.