MAC prefix 18:55:0F
| Vendor | Cisco SPVTG |
|---|---|
| Short name | CiscoSPVTG |
| Prefix | 18:55:0F/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 18:55:0F:00:00:00 – 18:55:0F:FF:FF:FF |
| Notations | 18:55:0F:00:00:0018-55-0F-00-00-001855.0f00.000018550F000000 |
Frequently asked questions
Which vendor does MAC address 18:55:0F belong to?
MAC addresses starting with 18:55:0F are assigned to Cisco SPVTG according to the IEEE registry (prefix length 24 bits).
How many addresses does block 18:55:0F contain?
The block contains 16,777,216 addresses from 18:55:0F:00:00:00 to 18:55:0F:FF:FF:FF.
Is 18:55:0F 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 Cisco SPVTG have?
Cisco SPVTG holds 41 registered prefixes in total – the full list is on the vendor page.