MAC prefix 00:40:1C

Ast Research, Inc.

VendorAst Research, Inc.
Short nameAstResearch
Prefix00:40:1C/24
Block typeMA-L (/24, 16,777,216 addresses)
Address range00:40:1C:00:00:00 – 00:40:1C:FF:FF:FF
Notations00:40:1C:00:00:00
00-40-1C-00-00-00
0040.1c00.0000
00401C000000

Frequently asked questions

Which vendor does MAC address 00:40:1C belong to?

MAC addresses starting with 00:40:1C are assigned to Ast Research, Inc. according to the IEEE registry (prefix length 24 bits).

How many addresses does block 00:40:1C contain?

The block contains 16,777,216 addresses from 00:40:1C:00:00:00 to 00:40:1C:FF:FF:FF.

Is 00:40:1C 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