80:A5:79:4 Hardened Networks
Every MAC address from 80:A5:79:40:00:00 to 80:A5:79:4F:FF:FF belongs to a block the IEEE assigned to Hardened Networks. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 80:A5:79:4 belongs to
Written 80:A5:79:4, 80-A5-79-4 or 80A5794, depending on the system. Look up a full address.
Prefix
80:A5:79:4/28
Organization
Hardened Networks
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
80:A5:79:40:00:00
Last address
80:A5:79:4F:FF:FF
Address type
Globally unique, unicast
Registered address
632 Gatlin Ave Orlando FL US 32806
Parent block
Inside 80:A5:79
This MA-M block is carved from the 24-bit block 80:A5:79, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.