MAC prefix 78:72:64:C
| Vendor | Comcast-SRL |
|---|---|
| Short name | Comcast |
| Prefix | 78:72:64:C/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | 78:72:64:C0:00:00 – 78:72:64:CF:FF:FF |
| Notations | 78:72:64:C0:00:0078-72-64-C0-00-007872.64c0.0000787264C00000 |
Frequently asked questions
Which vendor does MAC address 78:72:64:C belong to?
MAC addresses starting with 78:72:64:C are assigned to Comcast-SRL according to the IEEE registry (prefix length 28 bits).
How many addresses does block 78:72:64:C contain?
The block contains 1,048,576 addresses from 78:72:64:C0:00:00 to 78:72:64:CF:FF:FF.
Is 78:72:64:C 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 Comcast-SRL have?
Comcast-SRL holds 3 registered prefixes in total – the full list is on the vendor page.