A4:53:EE:4 Williamson Corporation
Every MAC address from A4:53:EE:40:00:00 to A4:53:EE:4F:FF:FF belongs to a block the IEEE assigned to Williamson Corporation. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who A4:53:EE:4 belongs to
Written A4:53:EE:4, A4-53-EE-4 or A453EE4, depending on the system. Look up a full address.
Prefix
A4:53:EE:4/28
Organization
Williamson Corporation
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
A4:53:EE:40:00:00
Last address
A4:53:EE:4F:FF:FF
Address type
Globally unique, unicast
Registered address
70 Domino Drive Concord MA US 01742
Parent block
Inside A4:53:EE
This MA-M block is carved from the 24-bit block A4:53:EE, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.