MAC prefix CA:30:BF
| Vendor | IEEE 802.1 Working Group |
|---|---|
| Short name | IEEE8021Work |
| Prefix | CA:30:BF/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | CA:30:BF:00:00:00 – CA:30:BF:FF:FF:FF |
| Notations | CA:30:BF:00:00:00CA-30-BF-00-00-00ca30.bf00.0000CA30BF000000 |
Frequently asked questions
Which vendor does MAC address CA:30:BF belong to?
MAC addresses starting with CA:30:BF are assigned to IEEE 802.1 Working Group according to the IEEE registry (prefix length 24 bits).
How many addresses does block CA:30:BF contain?
The block contains 16,777,216 addresses from CA:30:BF:00:00:00 to CA:30:BF:FF:FF:FF.
Is CA:30:BF a unicast or multicast address?
The least significant bit of the first byte is 0 – it is a unicast address. The second least significant bit is set, so the address is locally 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 IEEE 802.1 Working Group have?
IEEE 802.1 Working Group holds 6 registered prefixes in total – the full list is on the vendor page.