MAC prefix 7A:F9:55
| Vendor | Relay, Inc. |
|---|---|
| Short name | Relay |
| Prefix | 7A:F9:55/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 7A:F9:55:00:00:00 – 7A:F9:55:FF:FF:FF |
| Notations | 7A:F9:55:00:00:007A-F9-55-00-00-007af9.5500.00007AF955000000 |
Frequently asked questions
Which vendor does MAC address 7A:F9:55 belong to?
MAC addresses starting with 7A:F9:55 are assigned to Relay, Inc. according to the IEEE registry (prefix length 24 bits).
How many addresses does block 7A:F9:55 contain?
The block contains 16,777,216 addresses from 7A:F9:55:00:00:00 to 7A:F9:55:FF:FF:FF.
Is 7A:F9:55 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 Relay, Inc. have?
Relay, Inc. holds 4 registered prefixes in total – the full list is on the vendor page.