MAC prefix 64:57:E5
Beijing Royaltech Co.,Ltd
| Vendor | Beijing Royaltech Co.,Ltd |
|---|---|
| Short name | Royaltech |
| Prefix | 64:57:E5/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 64:57:E5:00:00:00 – 64:57:E5:FF:FF:FF |
| Notations | 64:57:E5:00:00:0064-57-E5-00-00-006457.e500.00006457E5000000 |
Frequently asked questions
Which vendor does MAC address 64:57:E5 belong to?
MAC addresses starting with 64:57:E5 are assigned to Beijing Royaltech Co.,Ltd according to the IEEE registry (prefix length 24 bits).
How many addresses does block 64:57:E5 contain?
The block contains 16,777,216 addresses from 64:57:E5:00:00:00 to 64:57:E5:FF:FF:FF.
Is 64:57:E5 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.