MAC prefix 00:A0:57
Rohde & Schwarz Networks and Cybersecurity GmbH
| Vendor | Rohde & Schwarz Networks and Cybersecurity GmbH |
|---|---|
| Short name | RohdeSchwarz |
| Prefix | 00:A0:57/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 00:A0:57:00:00:00 – 00:A0:57:FF:FF:FF |
| Notations | 00:A0:57:00:00:0000-A0-57-00-00-0000a0.5700.000000A057000000 |
Frequently asked questions
Which vendor does MAC address 00:A0:57 belong to?
MAC addresses starting with 00:A0:57 are assigned to Rohde & Schwarz Networks and Cybersecurity GmbH according to the IEEE registry (prefix length 24 bits).
How many addresses does block 00:A0:57 contain?
The block contains 16,777,216 addresses from 00:A0:57:00:00:00 to 00:A0:57:FF:FF:FF.
Is 00:A0:57 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 Rohde & Schwarz Networks and Cybersecurity GmbH have?
Rohde & Schwarz Networks and Cybersecurity GmbH holds 2 registered prefixes in total – the full list is on the vendor page.