MAC prefix 38:3A:21:7

Chengdu Krosslan Technology Inc.

VendorChengdu Krosslan Technology Inc.
Short nameKrosslanTech
Prefix38:3A:21:7/28
Block typeMA-M (/28, 1,048,576 addresses)
Address range38:3A:21:70:00:00 – 38:3A:21:7F:FF:FF
Notations38:3A:21:70:00:00
38-3A-21-70-00-00
383a.2170.0000
383A21700000

Frequently asked questions

Which vendor does MAC address 38:3A:21:7 belong to?

MAC addresses starting with 38:3A:21:7 are assigned to Chengdu Krosslan Technology Inc. according to the IEEE registry (prefix length 28 bits).

How many addresses does block 38:3A:21:7 contain?

The block contains 1,048,576 addresses from 38:3A:21:70:00:00 to 38:3A:21:7F:FF:FF.

Is 38:3A:21:7 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.

Nearby entries