04:C3:E6:3 Extech Electronics Co., LTD.
Every MAC address from 04:C3:E6:30:00:00 to 04:C3:E6:3F:FF:FF belongs to a block the IEEE assigned to Extech Electronics Co., LTD.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 04:C3:E6:3 belongs to
Written 04:C3:E6:3, 04-C3-E6-3 or 04C3E63, depending on the system. Look up a full address.
Prefix
04:C3:E6:3/28
Organization
Extech Electronics Co., LTD.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
04:C3:E6:30:00:00
Last address
04:C3:E6:3F:FF:FF
Address type
Globally unique, unicast
Registered address
17F., No.237, Sec. 1, Datong Rd., Xizhi Dist. New Taipei City TW 22161
Parent block
Inside 04:C3:E6
This MA-M block is carved from the 24-bit block 04:C3:E6, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.