MAC prefix 8C:1F:64:9C:B

Shanghai Sizhong Information Technology Co., Ltd

VendorShanghai Sizhong Information Technology Co., Ltd
Short nameSizhongInfor
Prefix8C:1F:64:9C:B/36
Block typeMA-S (/36, 4,096 addresses)
Address range8C:1F:64:9C:B0:00 – 8C:1F:64:9C:BF:FF
Notations8C:1F:64:9C:B0:00
8C-1F-64-9C-B0-00
8c1f.649c.b000
8C1F649CB000

Frequently asked questions

Which vendor does MAC address 8C:1F:64:9C:B belong to?

MAC addresses starting with 8C:1F:64:9C:B are assigned to Shanghai Sizhong Information Technology Co., Ltd according to the IEEE registry (prefix length 36 bits).

How many addresses does block 8C:1F:64:9C:B contain?

The block contains 4,096 addresses from 8C:1F:64:9C:B0:00 to 8C:1F:64:9C:BF:FF.

Is 8C:1F:64:9C:B 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.

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