MAC prefix 8C:55:70:E
Johnson Health Tech. (Shanghai) Co.,Ltd.
| Vendor | Johnson Health Tech. (Shanghai) Co.,Ltd. |
|---|---|
| Short name | JohnsonHealt |
| Prefix | 8C:55:70:E/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | 8C:55:70:E0:00:00 – 8C:55:70:EF:FF:FF |
| Notations | 8C:55:70:E0:00:008C-55-70-E0-00-008c55.70e0.00008C5570E00000 |
Frequently asked questions
Which vendor does MAC address 8C:55:70:E belong to?
MAC addresses starting with 8C:55:70:E are assigned to Johnson Health Tech. (Shanghai) Co.,Ltd. according to the IEEE registry (prefix length 28 bits).
How many addresses does block 8C:55:70:E contain?
The block contains 1,048,576 addresses from 8C:55:70:E0:00:00 to 8C:55:70:EF:FF:FF.
Is 8C:55:70:E 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.